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PHOIILJCTION REPORT'
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L:‘;3i’*,, .,;n:r=; ~;,s\.
.’ ;‘,I
‘L. :‘{*: ’ tc, , > ~\tkcqL~ n~.hs:~ betn ,zm2\c:i irc3 d\ pxps.
N”!J!T ro~.~L lllzm COMPABE OF QIZIO COHrndZT NO, AT (30-l) - 1156
Elllaxi 14, 1952
REJl&&@/ E D DATA: :).- -~~~~~~~~~~!,~~~~;~?~~~~~~~~i~~ yr.;~&r&~;;‘\-G!A+y 5i.c.y .$ I ‘:Sx’~&j$*& ?rany,-‘tt;.31 +&Ai~~x)‘;Uf a c: .I’; & r-,.:(y~.,z--+j :‘.q:j<l!f*i io_ _ ah-$&utncfIzid petson
. .
Tbs ROLLE\lG OF M l HU13DMEJ AiiD TiXb%lJ
UI~~L'~L?~\ ~JI:JJTS Xl' ALI.,ZGH~E LUDTAX STZZL CCRPG-BAiTION
WkT";siZVL~T, N.Y, ON FihXH 8, 1952
At tkiS rolling, tW0 hundred rued eleven uranic iriots were rolled into bill&s according to the Collowing schedule:
,333s Prxxt ?ass Section Pmking .ArL?a No o PiO, (in.> (id)
4
3-l/8
1/2
2-7 h-6
16,90
LL3
13050
11034
9037
8.!$
7063
6,s6
4.94
4053
I+.,26
3.81
303L
2,73
2,35
Zedmtion (5) 14
l-4.5
10
12-8
1704
lo,3
16.0
13.8
18.4
10.3
6.0
lo*6
20,3
15,2
13.8
1, 1 - a,ii,
2 2 - 3dIi.
3 5 =- Edgz
4 6 - a,~;,
5 ?-j&y
L ,J 8 - 3,zo
7 9 - -&ge
8 Ia-s.:i,
9 11 - Zdge
1s I.2 - a,ii,
11 13 - Edge
12 LL; - i3,H,
!c3 15 -- Tdge
:..i& 2.6 =- lgl;al
:j 17;\?.&@ q-723
j-l/d x 4
j-l/L x 3-113
1+-1/L+ s 3-Ii!;
l&&92 :>z 2-y/16
3-314 x 2-1.'2
nr. 1-0 3 --L ,' ,I ,T L x ;-y16
3 ? /;z -_ :,- j; ,-A, v _'- - -, i
3 i -1 -I +%2 :; L-p/lj ---i ,
z-3/1; x :-“s
2-29,/y x ,-q/r6
2-j/8 ;i I--j;'8
2- 2$32 :< 57,i16
2-1,$ :< 57,'li
2-, 7 A2 ,y y/:3
7 i--j p; ;< y5/‘32
3i4
2416
l/2
1-u ,a
l/2
l-9/16
l/2
l-7/:16
l/4
l/4
5/16
the ipg:7ts w::s to hxve been 1175 i !L5' Fo :-Jginan_l;;r, thy soa!<in~ teclpcrature of Ii.r:.np f-.h:: ,wi.'cing, hoj;:?ver, chPontD 3 repr23eentativc:~ -3 - ruquested that the salt
_ !., .$ _ ;, / ! :, , ::‘" .-*a ..-h;-,ur~ 2 jm yp j-?,.J +,o s.jMc/" 7, '[11&a C;..v,n+-'~ - 'L"" c,ry .ll., ,,..lL:. . ..I th ff 5 ‘3. :1', -,q';:j yg2j-s +i -: : ".cr the; Tirs-y, si:c;-jr-e~.gh; ingots had beer! roil?d,
--a ----CT< __-- --,d-----y: \ =z=-zl...-- ,1.- .-,:r I - i I, - - .-. I--< (1: _c- -_ .* =5=-r-, __ -- --.--da /-- . . . ,v v y-x x y @w~&X~~~,: p f. __ :, ., -- XI x ,,w--... T7,, *, -- . . . . --
,’ .I .- _‘. az - _ _: >- .
__ ,. -_ . -~.
-3-
.
.c
>?a&...-. I I . .
- L-
3r-x other 5i~~~2iffcnnt c;t_-,n~;e in tihe rolling oyra-Lion was y,7. d !f p;il; c~~~.:~.?;" ',Aras cor,eer?2ca
durix:: the roll- iq; 0 the xlling o The
xith the procedur:: used to add SG!.id &t ,jur‘L::g first twenty-Tive ingots were rolled with s:ct ad,:' t-: ,,d&zlr! to
,i!f: billet,, on HOW sides, alter the eighth p<L:;S* The remair,ir:g billttts r5- ce.i.vd aa additional, ap$L~catix~ of salt to the top of th8 bllie5 af-",er the sk~h p?SY,,
-m LTi??? d.a ta ‘gath!3: -cd on this roll.ing ar- shown on pages 12 through 22. I: sk:o&.d bz noted that all the temneraturss aupcarY.ng in the data h~va bcon ccrr~c",r~d ig A a11 effoTt to :;b+,arfn trde ter~pera-~w~~ yeadings ir: lieu of the r!>corded FadiayAtic te:r!y?,-a-lures ~
TJ*mp ‘, 6 ‘Jr ..* 1, I, “~:‘?;;?:~“iC~Df * _ ..,I- “L.,.-z-t =r,:! COnt.y-CJ? _ .-..p-uq-‘-’ ---;
yjle t px-t CJ f “2 4’ ;i’:>rc >9-dys $0 2.. ,u determ?zx the accuracy rrith whic‘n t,k tcp.;Przturc T~2,?SU~c.~iCf2Klt3 ;.C:?L"? bSi;_;?g rt?%3~;21??dg iCC1lJdpCi. the USC Of ternDi&ticks 2d-j a ca:L- b;4Jric;:: test cl '-,h? ra,ii.ticv .- :k ads usin j Lhe test biI1e.t section shown ir: the
‘01‘ tZlis ar,d ~r;-T~cus tests, L ; he ‘h r dJ 3x-c rn &lS.C*I’-““L -...-r.l” co, 3-t I i. e ,’ - JL.“__ s;--it>A h;... 2’; TfJr 5 :-.* ‘-J,,,-~3-‘--3---, - *L. .- ,?I
py;_sr to falaC>! $-;.-rg3 fhe ;i.zT^‘= m.yI-l
3adiation Pporr.+ter heads have been calibrated $~~nt in Philadelphia (under their contrxt 1 suitable radiation head).
50 be used for that LrcI.ling are calibrated ;Jp&;- ‘olac:< j&w.- ~;‘L.~:-“~1;-,-;- “,..,;,ons, _ _. - 22
* .
T”l* C;xLL’>r,2L’; n- -‘-aP’*:- --czm-- t+:t ;esrJ bill-et section at the rolfTr,g si+-e -. -v*<.. -._.d u:., .hr,--.;
se.-bjy‘ “vs jT&:ca;< -is,- - - 1 LI ”
(1) no cz.r;tiLtions L%CF -*?hch the heads are calibrated do *or, &."^,'~.~f e%-- -",VhE‘ -- z L 1 - y' - --d" the operating cor;dLtions,
(2) The .sz ;y--',,xyis 9 !'-- TS" ‘ye7 ._ -a 4 4 _I iko~n) which tile h--ads are caii’c~~ted q&s, 20 not Drodilct wlir”or~ rer;ult 3 over 2 sp:r:L& 3: ;:~.e D
..- I+i h,> ‘j
I--.. Y thcrefo-* - ‘) b&-ape -; “+ 3?-.: n -A ., !A ._ - -..--I ed that the 'heads used for any subsequent ,"01>- ings >J+l-j" be c 13 ; 4 :T-?+..er: 2:. 5:Y.e -1 1 i .',7 -..L- I., site tlsing the test billez stc-tier:,
As EDT-:: data is caz;zL13d, '=, 1s believed that an accurate calibration ^;actor <or each yp temFy3‘t'dr3 33ar . A 'a - ':; be dcvolopd,
‘:!-;anW1?‘,le 9 th<< ,zrj -iurted ” J tespr%ture readings for this rolling must be consider4 -2 3 rZ*.ti.r?bILy accurate a3 is ;~ssibl.e to obtain with the data presently avai'abl-,
.i..- 201'L- I :ati.rtg t‘rc data, +,h~ da& of test nwrher 1, shown on page 23, has been :;:; .?d u
JcJnclusXon:3:--
‘l>: 4 fol.l,owin~ gsneral cor.cl:lsions TEE be made: r -,-
pq”‘-;‘;L$~+g I< ?( y -J< ‘<. ” _- :) ; I ; ;- _ i- , ,
-- . . , 4 -y- \ I ‘< ,_ , , , , \ I’. .-L
.‘A’.- -.._ ._---
-x _ -
\
.-__- ,^
-- 5 -
t !
1
ij ? 1 d \ 1 i fi $ ::
% i d : p
k g 1
i
f ! 1
3 .d Salt Addition
Tyle: data s)lc*w that the amount of m.lt added to ti:~ biil&ts i-drjn% ~11~2 rolliag cnutif5s a great deal of slip betwrfen thi: mIls zzd the biLIe'-,, Tj1j.s j.s ey~~d~~:~ceci by the biU.&s that hztve been noted as having sli?;:,d or turrzd dom when entering the nir;th pass,
t 2, Tap?riIlg of Ingot (and Billet)
'l%a tapering referred to in this report i.s the trxhnique that tha roller has had to ~15ot-t to in order to gek the! ingot (billlet) irlto the z-0113, In th:l,s oD3rltion, the roller xust open his rolLs in order to hx~e the IngOt TV e
1 ro!i) ilet ) er;? er the rolls, Cnce the ingot (biil&) was 1;1 thy, ,rolls,
' I‘i-- closed the . ..&-A ~ol2.s dowr, on the ingot and ?roceodad to taper one end of the i:qot (bill.et), !4hm this tapzri,ng had besn dorz, the rolls were adjustad to obtain the correct r-01!_ pxr<i.ng and the insot (bil-;..xt ) -;;.I,s thfa given t:?e pmper r~duc tion, This tap-?ring cay be shown schcr&xtk-- ,,ll;r as follows:
I. %e 2011s Compress the Ingot (3ilizt)
I,:?; Ji) EXD
II Tna Ingot i.3 Tapered
.--. - . ..-. ..^ . . . . . . ..___ ~._ . . . . E . _)I ,*I--., _1.-. +., .I ., ,-,‘(” .:. ‘,- : ,..- / ~. r ,.,”
/
- D -
III tizra t;h,. ilolLs a-e /'.dju,s ted to G ive Tk.7: Coy:*ect ;"aL*ing for the Particu lar Pxss
th2 pss lx x s been con@et?d
Z;js~r~tial~y, it c;?n bs
uniform s~"- ln that tk !is tapring dozs not result in a
:\*rc : --:.r i p-;-r 3 of =>2 ,$lVe;,, In particu lar, s f;rltz .~fLc:r, 5 '.J'*-? --;Q L ~~tcr St;;ige 11
the schmatic rnprn- YL___ "
(bil.l&,) r-?.3.?LYeS only 2 pg,i?t pass; the lead md of t'r~ ingot whereas the tail end receives
t k? :'lJ :.' 7>;+ 5 s ; 'qq." 9
.d.C'd Ls spyr~-- jP.d" -wl
It j-5 121: ;>A% +h' 4 :-j.g:;c T::*.ic,:;ion /3n, u1.-... the ;qs,-i. ':7 :-pi \ :
say ~ the 1c:ading third 01 -8-L b-b< , - - -.-- .b, 1s : PC% --.7r,*m
py-J: j,~'b> -- = --.dU-A..A.4tal in producing scam, in that it
* -J -..-~'~::y it TJ3L" *: 'L.2 ;3 .;;(,!J ,>d be - --a -2-g-r ;.; -..
cc' : .ve2x s ides on ths biilet. 7lk i.s effec t - Y - ..". a -^-:,- -.z!II:~:=- a.$ the billet is worked in tke later zasses,
i ro,T, 21; .a-:-:.-- -r:'-: O lr I? - --..-..-_..~"~".I O f :&? rata sheets it k li be seen that seve-al of t i-2 jn 7.'- - 'T;-JJ~ >een f,z :y red on tba .A'+3 . . . If this tr.;s*,ng is to ba:rl acy s?f?
third fomt CI “9 and fif-r- 3. pss 2s * >ect upon Cne firxd comIi.tion 05 C' c , r, 2 fi~y is ;:y< "07 7 PC; Sars ;1 I .I L the effec t should be rooted inOre in the - 1
bar arId ';Ys - 3 baz-; tb.x ; It xould be Ln the - 2 bar, (i.s ,, tatyrt iq on th* evex r,urrj, ar,fzd passes c .::ec ts the - 3 5x.)
. d
30 F19w of Cranitxi Llz irg ;ioll.iLng
%hfle t his r-3 iling was b?tq perfomed, mcasuxnents were mde to d~?k+rmina tke see-,ior, of' the billet aftey several of the passes L 0 .E:Y passes I'~Y whi:k these- xeasurcrx'p;5,ts were mde and the sect ion of the bi7jl; .mde in these passes is g5vcn i;: T !,P figures in ~2"m-v
.the following table" ‘ L\. AdA-.I.uhesis rep*sent the sect ions that have been
@r?.lcu iated for fhes~ particu lar ~sses,
P;?ns * "ass Prxv. Roll Meamrd Sectfor? !,i 0 ,> FT. .I .3* Prl;3x!e; 91' T'h* g-iy.,J t
(in>
1
2
1
2
4
3-w 5-3/G x 3-l/4 (5-1/L x 348)
.- ._ . . _ _ - . - . - -wm~,- . . -~- - * :~ . , .~~~~. . ; -~ , . . . . Y.‘U17Y
-7
Faa s Triat ?ass N o 0 N o ,
3
4
$ ,
6
7
8
9
1 0
1 1
1 2
1 3
IL
1 5
5
6
7
8
9
1 3 T-J-
1 2
1- j
1 L .
:5 .- 1 2 ‘> vt 1
I? .;
Rol l P a i% iq
( in)
l /2
2 4 1 6
l /2
r ?easu r+d S e c tio n O f X i5 B il let
4-9 /1 6 x 2 -19 /3 2 (L -21 ./3 2 x 2 -? ,? I:)
2 -3 /u 3 -3 /4 x 2- j /16 (3 -27 /3 2 x 2 -3 ,':S j
b 4
1-13 ,‘1 6 3 - 5 m :t i -29/32
1 ./2
(3 -U/3 2 x 1 -1 ;,':~ :;
l -9116 2 4 8 x x -21 /3 2 (2 -29 /3 2 x 1-9 ;‘:;)
l/2
L -7 /1 6 2 -u /1 6 x L -1 /2 (2 -21 ,"3 2 x I-7 /h )
,-I f 1 6 3 ,;
y32
3 /3 2 l+-l j/ l i ; x l -15/32 (1 -15 /z x l - i5 /?2 >
It is l?qx!r l t’r.ar, 2 2 P yesr;- j .y& g in fomat :on nrxessary 'io c o q & z tc- th is work carI bp j o b t,a<r - r i a t r’::tcr? rQUi .ngs. i .”
,.+:2- -..
I’ ‘,.’
. . . j
,::--;- .
.:“ .:~~~~~:~~~~~‘-.I”-~
;i ;I
.;::1’ $-
.: . ,_. .
-i _ ~.
. ‘.
.. py.:
-
il .- L ;.. -; . .
.-.: :--. i’, . .
.t _
. ._-
.-.-, .i
@<
EJ? .-I --=--r;.
,.. . -..-:. .
--.. &-&,
p~~+~;;-~ ‘. -
.- .- . .
: .fiL.
.- :;::a,-.
::. .-
;
! .:‘r“;‘. A;;-..
‘__ -
-y-3 -p ,..,
- .-
a-“-. .?.F;
-._ ~ <“‘>
z.5.:. i I
:T a--
.s-
1 $ 2 -,7: f.‘.‘-
;n Y!! _
kc. ‘.-C
1
. ..-.-.:: .’
‘.‘--’ -~
.- &‘.
‘-. ,.. J. e-. ?.?‘C
.:yz :
.:.:. 2-.
/_. _ 2
l-- .
.
, I
!$ ‘d i l--- I
ZI 3 - z ! L&c’ 5 I
L ~. *::
; ._ --. _ ”
_.,,_ .-_’
-. L
- -:
T< :t‘.~z;+
: *
.:* -I”>
1 _-
,:. ‘-
, -.;.- ,.*
_ -.-
(
*. d.
__. _A-
8. .R
L&t
r
-- ._.
:-A‘ *.
I
i r
_,__ _ 4
~--L~---------
I
--- ._l--
-we- . .._.
L I
r) ’
L/I. i
--- ---- ~~
. J ‘f-p:
,’ I
! I
;Lf
.! -i-
----_- ---
-;- ___._
__ W
i I
2 .: 3 ‘213
I *
I !
.’ .
) i
-:
‘l.& j
;? .J
‘\--“ -
II
d::-:--l:J 2
‘\ 4 i
4 4
-... ‘1 ..+&
F
\, 3
ul a?
-y “:
, / ‘<
j i -t i , i
: 2 s2 ..-r ,- -‘e L 4
ir.. Es : E T>
:I< I;.. * r;’ 2. 5 . ii ‘ : > : i i- i_._
id Q I
51 E! l> i I t-L 1 : “I
‘--I-_ --- --
.: _~-_-. _
1-4 *-:kJ
_ >./
i- I \b r
.‘, .
_: .-.
. ;,
‘. ;.;:
. . . .
-.. ;
I . .
. ..(
PRODUCTIOT~T RETORT
ON I’m 20: --.TTJG OF -d -I opKJ mmRED Axi3 FORT-T TV0 uRkU7IuM 3IrnTS
ACT
0~~7 samx.m, APRIL 5, 1952
F3Y
S, P, .AL?i.A
,A,’
--.
* ‘:,,
’ ; i
, 1
NAZ'IC:J.AL lI&AD CONII?ANY OF OHIO CC~~A@T NO, AT (~~0-1) - 1156
AlFRIi! 14, 1952
p,~~&.!i.! DATA
1 4 1
,_ .(sJ)b l
.- .‘1’jb” *
s x x x i( /‘( Y y ” p y \I’
1 ;< ;< s ?< .*( :f:, \3 ;b ’ ” x :: :: .;,-
- \a ,..\ . *
25: ;( >; 6$~>*yy~; ,” 21 :: :c x :: :( :i
I<, ,‘;s.p ”
.A& -IT.T-T1-;l ;< 7 ‘.f \f -y-
A*..*
;< Jr’ -:< 2: ;< ;< 2: ;< y “.; $ {‘r ::- x ,‘: I<
I ,I’?. ,‘b ,i ..‘A J( “’ ir .‘b A
#i ,’
'y';'LF: RCjLLING OF TV0 HU?JDRZI AND FOR'il'Y ,TWC
URANIUN INGOTS AT ALLJ3GHXJV LUDLUY STXXL CORpCjj?ijTyy~:
WATERVLXET, NEX YORK ON APRIL 5th and 6th, 1-95"
-. 3 -
A total of two hundred and forty two uranium ingots xere ro:~:ed. %ii*:lj hun~dz~d an:! thirty ~XO or’ the ingots were those regre.sz-t:-,: the 1ates ", production of ~3a11inc1kroc~t. The remaining ten izx;;;ocs were cast at . . FXPC frcrn re-melted. scrap. The Flfl,IPC ingots ;i,+ pe tz.p”r@. rozxd-cornered SClJLiX'f? iI?gOt3; thr? :kl~~in&CYodt j~;;;c~~ vre r<2 t:qe lSSU;;r]_ -pp.?;,711 LY L‘j-pe. A11 of the Mnllinclk~rod: ingot'; -_._. -,./<z. 1 :> condl;;j-~::e<:; some of these ingots had tapered ends, other:; had s q'L?;tI'e & .;.2 s . The n3pc ingoto had been scarfed in an cfi'o.7:: to prc~cuce 2 s.;-noct;h s::I~?- r-a -L.-v. The flash that had formed at ';h<:: mold r 1 ' pdrl;~qg ijas, i'sr %% :mst part, removed, but the scat';crod a.-eas ' --v of por3sI. 'IJ ) s Gabs ark cold-shuts were net entirely remolded. Fif";Pran c.: ;h-;e rcr;r:< i--g oh were rolled into test bil;ets. These t(l2.t. 5;-1:: e-y.s reee~T;o~ a s~\~.c;cession of gasses ccr~~~~~ond~.~~~ co c:-*-, b&L'3 pLod4 f-i 3,+ --Lnc3n is iru - .-A uw...ir ~CLSS schedule, such that the first in:;oc recei*:-2.i c a 1‘ y t;+Ye _'irq" L ,I 7Tr.z q -: i L ~ y-w .i , r--u second ingot received only the ncwp* %-A.: i .cl ., v pascp--5, ei;c:, ; L : all,: “I .d r'ifteenth ingot received all of the I'ifteen passes. se-;en cf t:o,e round-cornered square ingots were rolled ~&-$k~ a slf_g:,",t n&if~,~~~ion in the fifteen-pass schedule. The at:r,,er t;'r,r= n eu round-cornered squax ingots were roiled into sr3ct1oz-z. te>s ts . "77 ol' the .-.-A - *do 1 Q/16 x
i,-,go'i;s were soaked at 12:::O / i5Op and p~u~.he!i i r5/32 - inch ovals. Of the ingots roiled into
productLzn, only om cobble was produced. D I/T? i r1 g the ro3_l-i:?.; of t p*ez ip.g;:;';s " c .J. 1 v ad in t,tie evaluation of the 15 -pass sched*cl? , diffi - c~1t-y wz:^- encocntered with only the last billet, the back+nd of ;\rhic^c tzrred dexr in <he 13th pa33 ~ Of the three round-cornered ScjUr??~ i '?--QfJS d, .-. -**g yc;_ lpd into test sections, the first was to have represented t he set ticn out i3T1 the third pass, but, due to a CO~I.ZS.~ ZZ:'IC made V:hcil ceiling OUT of nlmber 2 bull-head pass, the rest was not scnsidered co be representative,
-A. ‘jJ-J-J+E s?yg)v OF - ^ T-E ROLLING SCHEDULE
I:; an effort to attain the max~mu~m produckion rate, of which the mill is capable, every effort has been made to reduce the ha-?:.il- I iA:< t.ixe of each ingot, Colq?.:?d with this has been the de:s'Lri? , ? :-a;,~ .zq ~-jI:;~;~.,~-:j; ha;1.2iir!q tL;;lL? fci-, e;-l.i:;l i:lg;oi;. .i.4 -; ;~~pd,l.~~,j- :1 :p<; - -_ .L .i,
ling times should result il? constz~t ha.r?dl-:ing
higher finishing temperaky~.es and i;iiceS should reduce
f3ishing tczperaturzss the varFa~-~o~~-~et~(e~~- 1, >J~-.
-.. . . -, ‘: ‘.\ 2 ‘?-I_ e-ez
_ ,- -c /'
ix x x -7 v -y v v \N -v ,, \ / 77 \, . . , :,x ;( zy 2 ;; I:‘ 2: ;; 5:‘ 2 :‘:’ :‘j j$ ;:; : , I:
-;‘5: \I ‘- xx ‘c”~~TF:iIji:;-::-:: ;y I, r, AL a;, ,., 1; ‘: ;; ‘7 -7 A. ,, . .
‘I - ii+ -
3~~222~ this roiling, certain of the variable handling times xer'~; int>ESIl~-~fl COY every fifth ingot that ~a3 rolled. *a. bL
C-rc s j&g- 1. "ican'i difi'erence i\lzs effected in the handlirq, of ingez;: $&l.lr 1;. 'I 'r . .Ab this rolling, This difference was a resdt cl? the ir,sl,:-l? WV-- 12tion of an inclined, auxili.alqy, run-cn table ccr,n+zkizg the :,%I:- b2..tlh to ",hc head of the run-on rc12.s of the blocning mill. rr,i its, 3 use of this inclined run-on table resulted in a shocker trans_"s- t Fne from the s&t ?::.th to the run-on rolls of the cil!,. (FIbT.3 - tcforc ) the ingot y;:+s car-rlzd on 1 hook by an overhnzd crzn;l. > The use of this table resulted Zn reducing the headllng time zf p-2 ,-'m w C-GAL in+~ot by 3 txie 2.5 - 20 seconds,
The time 3ixdy, t!l?,t xas performed on every fifth ingot, gave t;:e foil ~',hf~?Jc& 4 7 L-s* : v-c.. i,
(3
(iL)
(ill)
( 5-7 >
,i?igl;..res L ~
The t,r>p- ?a* - *a* -.. time "from the salt bath to the run-m rclls of the blooming mill." See results --I -. 'n gigure 1,
T;lhl i;".'~n3 i15" time "frc~n the head of the r*xn-on y?n:7- -3 ,. d&.-b 2: 21-x blooming mill to the enterkg oL' the -",A- -.-L,d 'a Into the rol.ls , " See results in 3;" r-, T-1 -GM- - 2.
T :-ye ~*w,-z-3>-7 t ime :1 -7 - .2.--..2- 1- L r‘s;;! the head ,of the rxn-Gn " 3; ; c& ,; r" -- -2 d> .&< bloomirq nill until 5he finlshirc - 'c> t 2 p.3 3 ," 2 I, i;-" 3 _ wzs read. " See results -7-l F<g~~re 3.
T-F s LA_” ;y,?-a’“-;2 -’ Y.._ 4.- !'frcm the tine the -ingot first hits I! ;ne ---_, r3i!-z mmj-51 the fi;llshed biliet leaves the - G ilS > n 'I .see results in Figure 4,
7 7 3,r-z !I L, A) ,&A--L+ -t .2x-e shown on page 5>
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1NTEW'A.L -* SECC;~:a3 F'IGU-RX 2 "INTERV,rlZ; - 5;-7!pq RUN -ON 1 T-J-L EN'iE_",s ,r'",'~~
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PTGrr?. 7 t; _ '! ~y~~;?L?j- I<; -r:-- -.:;. -\;,- - ~ ,-> , LZ4VII\1TG ROLLS" --J.-d .: /: -.._,. , _ v
. : . \. ‘\
-6 -
A STVD" OF TFiX r?CLLINC SCEEDULZ
he Two-Hundred and Seventem Round Ingots Roiied into
In oj?der to obtain the T~~;'~.a L--:
information that would show us the nagr.~tude of v._ons in roll partlr::gs (dial readings) that might be
cbtair,cd ix such a prcduction rolling, values of the roil. '3-1 .'-:m--y (dia.1 pc.,~~i;:g;5 ) - -- J----3 ,i-Zl '.:';5r e obtained for every ?ir'th ingot that was ?!o.:led. Roll paz+tiixgs were rer:o-deck for every pas3 used to roll. the p: w' teen ex
.a-.& - ~erinental ingots. Extensive data on the roll.
used fw 5-2 rolling of the ten square ingots was also part:ngs
re cozyter! ,
Ti?is y,<FAs:‘: 0.r" _3er~l::nct of eve-y- --i fi-h
orily obtaining the data on the roll. pac?,lltln,ss
closer ' a. -_L 'die i--p&-o", $jd
pctlon - CL.) -? yield some interesting data through a
-z-z the ro1l.ir.g.
mJe 0:’ y”,e f:r st 3 r' f 2 c ,;
chxges that had to be nade in the roll-ins WC'.: ';a 2 c?-zn~e ir_ ~32 alignment of the rolls to overcme a sl.I_;~i-;t
i;e;1desc1; ;(;;.:a_",2 crc:,s -rolling,
pl~Oth~:* ,-r'- f ""e --*-‘-3 > tj.2 2 t,7
xas .xore sign2'icant , '/:,as the chmge tka'; :~d '02 r I,-:-- in t;...e -en; -. 1 . ..-_-v -i/-A partings to eliminate the tendency 02' thz
ci;;1 1:~ xx dc>in in -,hs fifteenth pass as a result of hav:::g to3 nil 1 fib L&v-* :,:(T-'- -pP--nn I ,a _ :- y \a * - 3 I.-(-, a r: .?- it, The ..b --a cp~~n,g?fv 33
last three -011 partings hati? ::o be shc,wn be :2x (N0T.E - The setting of the mill is gov?zm- . e (2 ) tc, .z g;-eaf ripe-can UCc3.' i . , by the inechnnical colzdition of the roil. bear-
ings . a? ", t:rie \_"i-i-a y 171~fi*~~nLsm -- - .,-*- . Any changes that occur in the mch;1;?- ical. ogeratiion .of the n?l,ll will ararrant changes being rr,ade in th:? roll p?z~f;inr~s 33 c0r;;ez-l sate for these changes, Such chaxg;'e3, 23 rrrey ec3z, :vlll eff.':*-;t the true readin:< of every dial setting. The effect cf these changes is, however, E:.)re noticeable in the later pa3ses a,_n_d cmsequer?, tly, only the later passes xerre changed.)
. I ‘\ .._ ‘tic
p;tl‘; s NjJIili;lt;.z r
13 I.4
15
pyTJj.:1c- of Actor;-! :‘_nI; to Birrisjc ro IFr>in’c
(5%)
5/x
7/‘3 2
9/32 The n’nrip.yns ‘d,IIL -3.’ xe re mzde 2pprcxTiaately 2.3 f~~~ob;~ :
F“c?‘“y.T “‘T,y -1.. ..(l -j,, d-1_ __ - . . .-’ . .-i ‘_ _ . f]->m Z .i
‘.kA _- - ;-;-
-; ‘2 . _ c3 :: i; :-. .- :. ,_, _ _ I
(I.::. j I,- ?/ cl.
j/l .<
cj/~C
pass vr2.s first ncticed on the 4th ingot th;~-t -.,'iss rolled.
(iL) PasS chzz>ge Of the roll p~~‘~ifig for the ;3th f i r s “*
Ax .L? ‘j ‘3 *:i 2. S
rmticed on the 22nd ingot that was I-ojJ.22.
. (Jt&ar b?-,z>;-~ s -:;;>-- 6 observaCicns COn~ZeXEd the folloTvrir,- jri,,;Q$.:,, : 0 ( R ) T;?- 2 ?73duc”Jion In,gots :
-- *- -Q “‘1 i i-, ( ,Y?J /
7f-.- ({$L~‘) -ry
-. - -- /-. , !I- .&;tLJ 7 \ \-Tie,
y-,7- -4.i ($12 j
7523 ($12)
-- ?? (#20) ; >: ‘v L 7553 (#2&) 9037 d”Lj c Af;‘ql ,I 22 J
pa; (L&3)
SJ:i&;; (+$.Ga j
-..
- ,’ -
~pr;eerec? -.
Sack er.d
s~m?ared * i 8th ~2,s~
L&t:? pass light by
4th pass
t3 be ever-fil.‘,ed c?fi;er the ;.j:;i: z.:.;.: _,
turned down in the 15th >z..T,,;.
to be over-filled after tize 132-1 r:c:.:.z,
prtLng light by l/h".
parting heavy by 5/j-6", 6tk ;>-CLSS p,::-'L-,s , ,'!' :I A," 3
7th pass
re ce ived
part:ng heavy by 1/b" y
ps.rting heevy by l/4".
2 passes t’rt~ough t;h,e :3::1 par,2 f Vi ;-, 7 first pa-ting ::rr,s l/2”, the second :‘I?-:; TJ’S”I
showed a very definite over-fL11 rr:I-‘nir:~~ ?::?e entipe ler,g;th 0L' 'Ji7,e billet, X0 change er??cI", in the pass schedule was ncted f;l:
or &is
the 6 bh pass ?I?.?,:; heavy by 1” n A dees ;sS:X ‘:i.Ls
noted cn the crown of the finished o-d-al. ,‘%. -;---- -. I’,,.,: -:, .! b; , >$ {j ;{ j; c j:; I!< :; ;( ;; ;; $ z ?; ii s ’ ‘-..- ,, I , Jy j; i; y-s; i,; -q-7$ ;; L-l i! 77 v ,, T7 -7 -1 \/ 1: 7’ . n ;; ; ; ;; ;; ;q $-
T7 -. II r 31. It J ( ,+J )
8162 ($81 )
,ql r? v 1. Q (- ; ($2)
9-73 (#5 )
8123 (fY-93 >
&$3 (j+lgj)
23 15 (,+a&$ >
@5; (;+23;1)
53:55 ($27.3)
A sea,;1 :yaS fC[Lq:TJ. 22 tpAe CI’()>jrl 0: i;i;~ f.; -T: : -n-i L. -b---i* OTTal, al.‘;holig:l, no C;?zEQe, c;y e:y--~r, Jo l'r.5
pass s chedulc -,qas p-0 :;.erJ f '2 1' f- *? ; .-. 4A.-U -,- : 1 - ,J - -_ i e fi ,
The billet turned dc!m In !;ke 13th pas;;, ::':-.e fini;jb-ed bij.le"v S~OYI~~ SGC~~ 2.i~~~:; 5;' O'j" ? _ 2. : - 7 _- - --- > &diy ove:a-fillpd at j~c::-..end for 3 f+>f;- :i0 change, or exo~, in -Li?e past sckndy.:e :;rz; note@& fcr tips 'oill2t,
bi ? 1-t turned ,a:J?T -in tke 13;19e ~,i?ss v-,I~ .A--...... ‘rJ&S str--,ic;:;;zr:eri in G GA 5b-e ‘(-Jull -he&-j . ,a :.;27-,;-
slig;qt ~~p,deT--f:i.11 PINS no(;ed at tl;e L&-J c:;f<
of the finished b5.lle-l where the St-pi Ly'.-izL:yr:iy,g - *A,>* kad been ;>:-"fm.'ec:! .
lasses 3 a.ncl 4 wez slcigped, entireiy , ':>!.z scerator forced the er?.-v~- 02
tiiJ of the ;;ecti;:: s‘;, the 2nd pass into %e 5th pass in ;? :EX';,-
set'ere reductisn. The finisi;& '0 r Y ? 0 G sb --:-ri:: --iti c, i./...* .A p “-’ “.A& -ht ov er-t-ili) -'A -9 -. .1 ~011 mrting used ( i ,-.e. 7/6h tee heavy) 3 = .- e!ved a dxble Da;% -.-" - Id .L -- 2 - 7 d-- Let xrned dcwn in
L “or the 15th ~~.ss >;;-:s ;s/sk,
throtrgh the 13th 9::~.
the 13th pass. TYL$l ‘- 2 ~..17et Was lVJO:qk;ed i_r, ?h-,e yells in t;-bTz 1:<~._;1 253s :ind dj.sc;;e-gcd zfter a -a~-- ;?a:~i~~ ~,;‘;2_” -vi-.>., pazting. (i”f3, ?i,~ht -27 l/ii”)
IleA~ 6th pass ~~2s li,s\t by lO/l~” (i-e, >i;tS 2 i3/16” -jr3 fJe& of‘ 2 3/16:’ )
t21nost x:-;k3~: e;rcepL;L=;n every ingot xas ‘;zpered 23fter the 3x1 x-3 5';h pzss, A notei.ro::-;by cxce~tion $0 ";hisj hOWeVCl?, 32s tl;:? I*Cll.:.K, of t:p:z 7: "32 ',7.-*-g-&-, . -- ; 'dril '2-b:. ingats where nc ta,ptyinz :,%Jas cbse--Jt~j yk;;t ",~~perj-,rz Ir, She 3rd 22s~ '+J~s fou.nd t;c be n~cpssaq ZG v"J~ys7c;:t~ :::e f~.:,;1"cJo]ni ?'2 * ? i- Aa c -,; -L-z .--....? 2 c ",he ends of the 'of??& &'ker tbAe f'lrs: L-'.- ___ " :i v
bull -heed posses,
!a) The Ro~md Ingots Rolled in SectTon Tests :; -;y. _ Tdl., Y,.. ..‘ .,:. .i,., . .._^. s rri'..::L :f ,T L I 0 5u' -,h~~ ?~lcr:: t:lai; ',;.1_ 1 'i~I 7,,rf';3;.~:;~::1 cr. _.. I fifcee_r: jlll~t.-sect;~on test;;, the poll pa-;ings ‘(.Jl& read:ng:; 1 Lized to ;;naiLre ";hese tests are shown on tZ=e following pag;".
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cl! 87-l
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0 2; 74 /-’ .-J C? : - ;-y
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Y F\ \3 s t-i M
1. r-i
i) 2 r-l 2 < 74 i-Y Q
2 f-i r-i 4 %
c-7 \i) s a E-r s -9 2 (I‘ 3 2 -3 ,\o \ ;? (? P.l s ;t -0 8 co 2
.i; i. ‘\ 7” x ‘.. ?-- 2 <: > F ? M
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3: --\ r‘- cc\ -2 5 f 33 $ 27 . .
1;
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f‘i <\ CT -k ,=J 2 c2 r, L.. r‘- r-4
2 a r-l ‘\ D r-i
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Q
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L, :* --Y :, ;, :z 37 >a 3 rirl 6, J 2.I c.’ s CT: *
_j L-4
It may be noted. ti?ai; there has baen n.cs significant d..Y?via~~;ion frcxl the specified roll par%ings during the ro!.ling of. the3e test biilets,
It is planned that examination of these sections will be made ' in a program cons-lsting of three phases, namely,
0)
(ii)
f ,’ f -: :
\ A-... /I
T,Tisual. I.ns.)ecti,on of the sur?ace. Ells work will __, v-.--*ee--I -W.--w show tne il)ass or passe:3 thz; re3ul.t -in the mcst, or the leilst, imgerfec-tions in the sectlo:i?3 + Pertinent observations will be made regarding the ;;s;;ibution of the salt al?,d oxide lagers present
A ,e surface of the billets,
Dimensional inspection of the billets, Care:aLl nreasurements made alcg the length OF the billets will show any gross variations in billet cros3- section. From these dimensions it ~51.2. be possible 'CO see ~~gn?,flCb3~lt ChXl&2S in 3ecticx-1 that tend to 'c e under-fil,e 1 d or over--filled etc.
A coq~arison of the shapes of the various billet sections x1 'th the shapes of the varI.ous passes will 7.7 $ e 1 d : val*~able information concerning the mallea- tj 1' J --7 Qr' --A "J 2ranium metal. This comparison will she% not "..15' C-T-! 2~2 malleability of the metal, but, it ~I.11 aisc ShOV the support that is offorded each 3ectiLcn I - as -4 ',s i,-. a pass, 7.r; p i c _ .I “c~~*LJ-c- ,,1zz1 inspection, On the basis of the ;ni. * ~'~yx~izn gathered in the visual and dimenuional ilX5pe n,ti0I-S ) samples wills be taken for macro- examination and micro-examination of the sections That ar4 -erresentatlve of those that are filled, upi- car -.+-.* ? ' .d.sA . . . ..-~eh. over-filled and those that have lizpd, seam and/or wrin!cles.
TM3 program is being conducted by the Technical Division of the lfat:ione-l. Lead Company of Ohio.
T;a il(jLLItiTG OB TXE SQUARE INGOTS
It was decided to attempt the rolling of a round ccrner square ingot in an effort to effect a better con tact surface for entrly of the ingot into the mill. Of equal consideration, was the fact that, ;?. !I i:;zprove 2 ingot could be made by castkg in a round corner square 2 3 1.. >; ,
d The schedule used to rb>X-cthe ten square ingots is show on the following page.
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UT
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3
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-G
-Y 374 G
2
s N
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L-l
24 2 s -f < z t-f
s 3 -2 r-4
x \o < ,m
r-4
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s m
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s -a a r- cr\
5 m
2 l-i F-z
2 -?? . .
r- i 0-1
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2 m
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s 2:
x s m
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c-7
N
r-i
d z:.7 c-s ;-!: Li
‘i‘;-ie 3 t” L fngo LS had 2 nominal shape 83 followr; :
simil end, 14 z/l.6 inch square 1 alB;;e end ) 4 27/36 inch square body, 35 iriches Long ov~:~al.l. length, 41 Inches
Xi. th roli par,L:lngs
The +--?'7C+V VC*b,& 3J fhcse ingots was used to advantage to effect entry irAto tb*e ,tlr>st two bull -head passes ; the ingots were ent;3ryj. :.:F;;:l the b0'(;t0r! pnd leed.Z;>g ~ The edging passe3 tack the billet Ei:z"" reedil;r than tke sections obtained in a rownd l..n~ot.
'1'.lA2 usr:-?:: tiallbra2izn tests, using the test billet section, re:;ea:.- ed ti?2t -jF*erle t:as pracC; icaliy no deviation between ter+eratL:x!:; read by- t‘re test ~~-L~?:~~CGG~~~S md the x'adiaticm heady. The resul.fs o';,ta! rl?r; 4 ?. _A . - ii. t5-t.j tes 2 , are shcwn in the ~10: on Page *U./y 02. ti22 'i,LS& r>z ~~.C~S<~ reslL--ys, the temperatures read with Hcsd So. 1 (used ;c; ;'% Ai Ck;E: :eyy??atures lout of the salt-bath' ar,dolozl t,",e r;l':!--cz~'~ 'IF.tie r.s‘: -zct2n correctec! since they xx? within 5 ,.’ “,l:e
t;-erk.:,;i:c -;:ls ,ezC.yf:, c.ver the rang.2 of tem~er~atl~r~3 measuyj.. 'Pm,.,‘-,,> '"2 --'?-a *.-"-p ., .- .-- > .A^ . . CCx-~~ 2 ;--323 have been applied ';o the re;r.dir.g;z on,;aii>zA ?,\r;th >.Jc., 2 t;;t?z<; -,2As::e cGyrections have * 0 ae r IL b - Je 7~3 io A:: ?%' c. -- i I. zi' .
y A--.: - v.::. -;,IFf ? 2, I,'33 il.**- ';IANGTJ STJE~kCT
.?-Poafn- "“2.2 1Q50°F J'y-"bA d‘. 00 F
1038 - 1252 0 0 9 4 F
1013 - lC37 0 3 To F
,363 - 13'1_2 OF 10' F
WC3 - 0 yg F 0 i:! F
7 cc- -r-L23 thzn G&8* F 10' F
On the b~~sf3, that, the temperatures, that should have b?en c~~TY?c?~~,~ h ;?. '7 " beer, CCjrr)o,'r-kyl ,ruC. i, it j.3 reasonable to 2SsUXe that the ~zE~?T?---
; ..\ ,r, :'I'-' ': :;);c;,..-- : :_ .r , 1 y; ) 7. ‘yr: ;'l;,p(Jrt. ii ,_ 7. J.zc!;r;?";'? ^ -, (3-3." *L)" 'Cbt<Ti.T?*~t. F, ‘C,(> ?'. ._
Other tenperature data that was gzthere12 inciuded results of % . c~~~oe:~~- t;arc pr9ke of the salt bath using a therKkl)cocple, and experkk-2~L.‘ r.zsults i-0 cb$;~.Fr, infopmation to e_uplain tke variations in eYL:;AL'r- .? L ^ .,lJ' that CCCUT aicng 2 billet at -Lhs -- ?i nishf rlr end. -- 0 FOr the SF.&? 2f c,-;r~hplet,~n~~s of thir; rcpcrt; these ,-z,Su?-$s ZiP2 SllJ?7KEr-l.Z2d Gil th;? r’Olii?!+ :_ :g page .,
‘: ;, :,/ ‘\7 . _. 5. I L
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. . . ‘-*I
x ;< w x.
-v \- v -I7 IT.
&&l$
d--- -7 , c -
:i,
x x ‘T- I.. - \I ‘,I T- \f :, -,- I . -:-. ,A P, ;:. \, \,, P \,’ ‘.’ -- ,f T./ -r- .p. A .:‘- i. I’. <“. ,‘\ i’. -?, *r ‘r- ,\ . . _.I *.:; :; T;’ ,‘.< ;< ;< 1, ‘.. --- :, \ :< ‘Y i; 2: S
- Y -
( fl\ . 1 li / ,X7? & iI<? r~,,'-"-i&Q(3 ,-q)~!~ E'yJ't?e oyi" -f;7e . ..l.; S,z,l t Za?;]z
0) a Va~~i~?~~,ic!i~~ Of 0 ~0 B t!c3,3 fO\;nci in re;!d~.:?,~~ t~-.l<en ai; "i\,t cent??2 of, and t;_h_cz &g;e of tt:c 523.-I bath,
(ii) * ",hjps uata ~~r.x~id shw, that, _1- alt*hoqh "ihe controi.L3r3
operating the salt bath were set at 12203?', the 2.2 vL.,l A..., ba'ih ~~qm&ixre must' bz consIdered to be 0-l 11-70 2.
(ii!-) simu.lt:~yeous readings revea.led that t: . theraoc3:q.j~ 3 con'cro-:.:!.fL~lg the salt-bath W~I'E: readir,~ 1215 - 1232 .‘, \qh-ile 3 ~h~r,mc~ccv.ple probe ii-1 the vici.nity 0t e2ck fllrnace +hanyOC,~zD1$ './- . ..-.* ;, revealed temy?:a Cures in ",he ran,i;z 1128 - ALL { .L . 1 7 3 '"7 c?J (Tin-;s condition will pxsJLbl;- bs elQ~~i;xted for the next rolling * )
(E) ~J~.~iatii_or:s r.2 l.&.'-ss~.vili;y of F%nisid!. a.llc';s
apparent thaJ: _L - We tilicicn-333 azzd t-nnap7; - 1 r' +r _ - A. "cl,'- __.- 3, _ I ; tk11 oxide layer caver"*ng; the bilk? h2.s bszr~
an .\ rp?.ci .- . . . L..,,.-,:.,-nent r-2 t‘z."sI;:g the devzlopxent of an accuract m3x:z 0Z &teI‘ ::?,,7.',x;,g "L>:? 3a?lt covmed arx3. cxFdiZed ii~22i.m. - ttl:::>e,-zture of i -l 0 c <; ;; , .ilq-J -~n'l?-eta) -E!~.~-s ccc f In 837, effo-rt c(-J ev;p-Jnte the ef::$ct Qf
if - . ", .L' 9 r? a tile iz;L:;" ~;Lf~'~J,rrr~~.~ _ -_ __ c-\su condj-$ims that a~':? ~xosant in a .;;"i1"'3 of ~Q?~~y+y,r~:~ -;';L$ts, p.~asurfZm@n-ts tEZ? mpa,c 0~1 seyer2.l j~1~~ts Vj&; L’Z -
(5
(iii
APmcX, r-v-- 7qn J.l;r.+; o 03 ax-XT
(“F)
9 3 c_;,
loco
3&S x2. rt zxj,tie conditio.ns were vis;Lhly differez%
,-e&i-its ;.-~ye m,ad~ on these Same bj-ll&s at s>o<;a (,?bcut I -) '7 f-r r? \ Airr.* ".,,/ z-,- , L' ; 11"eF.-'
;qhzpe t;he salt ilt<d 'y:en br::shed t0 $le Z rJr...wu v.Z-~~' .&.:2<aer, 2nd more lx-lkL.l OxTl sur2ace l ,L!b
re s-i:,zL; ;.f the si+ tests may ‘0~2 surfma:--.‘.zed 2s fCllC*tiS:
T- -..*. ey:-c’T’-; z;Lse, coverzcY -gL"ubl
-..?ddings made on spot3 that Vi;?re sz,Lt sh,olded lower ternpe:atTA?es thin
ooln",s I!! in.sh away thai; were brushed to givs sxmt:~er, uAvu fly P-?p&ey, and rnoy3 unirorm surface. data are as folloxs :
a The
;,-_ 3 T-7 Jl 2 GND FICN OF vcy~ :! (-----7JTJ-J 1’
SPOT
VISUAL COmITLON OF rr" -q iL?S !' lJ;",T (-J m jQ:m "
SPOT
;;jy, .y; :,.‘- t1 ,z;;.d b:.rcl: i’ -- p:;l .., & _.. .,A -+--JJ , W”” ;> i. ‘<r 11.9 3. ;;-’ -: a :. t, +-.
brushing blec!c suri'ace
smooth and black, wi'ih jgeas-y, black, xith very little colored a rusty streak oxide
. _. . SEp+q ., _ : .,, .:,
fy7~;p”;~*“~yj~,~ ,‘̂ ” Tl<z “;-?YC~~m:L;T;~ ”
S?GT Y&:;;<-~~ x
(““)
22
T------ -- _, 3\ *; -:. , . .
I (--- ,. _ . __._., 1: ,< I-.: ,; ., . : ’ .-
- Qpz _-
I!& 0 .I. ! ’ r
101~9
black arld tuzmi.n~ p,pt;ly k2V-J, rather lx-ifOr;ll L !A0 a colcred oxide, brush-- a,nd Slz.ck - cd sltiooth.
b I a c 5: I smooth black, spotty salt 1.0
black, smooth
blaclc, szooth
-012 *>:r -CL L, S;rLOOt;h
biac:rish, sgotted xir;h -5 yello-dish cxide
he av7 JJ spotty, blacL: 25 surface
heavy, yeIIox, powdery 35 and oxidized
Ys 2 f ‘+ ;‘. %? i e”....__.
he r3,*j’-j- , bru:; hed very ;y aqi , c;;;y 1 oo$.: - SC ;..+- 1, Al %.A "'3L I.>_ 7ro "Y c-1,- -4-L, X>,:.bJ'b LA.- ing
t ;nA 2 “, zncre accurate terqeratare readings may bt? crjnt--' L L-IL Howard m.intaLning blaclc'body conditi~s 7; ;P, 2 r"3llcwing test.
i-7' !. I?2 >WO ~~~~~2:1:,~:Lc ~~c:~,s were calibrat,~d, al;cl on ta:cipeg s;n~~?- - L c. bdleoun ~2 II- ,Ipjj '-‘w-i--c ,;r; C;nt :ngo?;, it was found that they eke&&. xith:z 3 "F* ~.e~e..:::~l.;- ;?:.:3y. :r: several ingots shoved that a temp7atu-r:: t?-iCeT: z~,'zx' 31e1.? s?:J-,zc$ z:::';::‘:? of the d_rLll hole in the end 0: :he 4 q r;. ,. d- : -: 1:7a" -I.c,.J 9 ",s' 2. s. -.-&,-“-- , zn rl, ~~,-~rzge 'GTJ 309, tllan 2 s~multarLec3Js yec?.z- JL ,3* ,2' tG:s~,r_ Sf ?T.;'s3 ,a._ - 2.. *m 3 y. .-. ,.. -' c, i-
&'iJ QTJ.2" T:?? LI \d _..A b !g th?,e ;ng-,t. Xhen the head that w11i3
,-j-L;-;& +-: 3, v-4 was moved slightly to read, then, or! tkn f 1 ,2 t er.3 , Zk2 C_3::.;e ,"~~‘,lZb~S Of the t:VO heads chec'ked ag,-aLn xiShfn 3"Fo
,_ -.a . . . . _ .
-_.
:. , . .- -
-7. -
rJO&jCy-J.T IQ :js -._. - -I-.
“b*OF> e v.;i-o “,-ye ~-J~ l,p~iip&’ the “{or;: oi” 5!1;3S” Pr317 ‘_2zs I ,*, 7; : . 3 ii 1;r.r’ or:e,? G_?I +-he progre3r; of ;_ile 3721 v&i&-::f .:... 1; 1 .-u - A t”>p
p z.2, 9 r; 5 r:-9ri:iY G -.-...A" -,a .
2. T’-2 &~:<~ca”jL,y.-3--- 2 - - - - / l ‘de. - ~ollinq c f ; 5 r G lx-d i.ng;3t: -da:3 GqT$& ,'T-c,X; i:-is;- ',o flfliy;h -s;-l-Je';.
3. y ’113 ->.Tc.>?J .-27. “,z- .--iy-* _...- A. 2-e r.g;l irL,7‘ of il tL‘_E! ; c :- CwKi pr,;-.yit-3-“” - -.
3 c;:,: c 1’ -f ; ,r. ‘“1: ‘2 ; s I- ;; z> ̂ 32,@$ z-(-y , ingo’; c ,x f”,njssIoh j:liLj<,
.
f:
1s. - ~ -, _~. :
i.:. ‘1‘. L.
.
.
: SEcrZ.&T
; :; :
-*-.
. . .’
r; _J ,_ - _“. ‘. .j ,
P2OIXiCTION
THE 30-LLIYG OF ?OUTl HllXDRE?3 Ml
AT
“1 ,; i, I
RtiOIyc
.1U~~I$~~-L~I,lJM ST= COEPORATIOB'S ?JATZ~iE PIAX?
ON
X.AT 2 aid 3r 1952 .
NATICJAL LEAD CONPILhTy OF OHI3 CONTEZACT $10. AT( 30-L) - 11%’
May 19 p 1952
Report apToved :Sy:
EiE ELCLLXJL‘IC 29 FOE! FEXXCC MD SIXT FL-E
i,yLAQJ nq< riJ:g'r s 22 r':<;r;: ALLXGEsY L'JDL'3.I STaTa CC~pg~;-"I~J;
;\r-yr FL'$jl; -'zz 9 11 T.< p()rr, ~21 XAY 2nd aad JTd, !-?S Z
FOJJ-J :",w&p?. ;lJLd 3id-T t;hree 0.f ii-e izgots rqrssented tk2 ht,?st x.';n-?rr~71 Y css% at :?al.?Anckrodt 0 911 'cc* five of t-hese jngots ;;ere t;l.n =-3q32 rounr?, -b$ggt s i;hat had. bee?. conditlonad b:J lathe tU?lFng, 7-:7,-p . 31 i;ll-J.;-3
1 h ingots -2s.d been ~repare6 -3 zfdc'ning Lh $los$-lorfc acizi, -%iJ pc2A.3:"-." . L.i,- ---L.--j
t:q:Jo ;,*g!Jt s tt;at -,-eye roll..d -,;ero ~oduczd at. ?NPC, 3e szz;'ace cr' 1,?1;3,;3 ro-~d j.zgo:s had been pre-;_'ared by SC~ftig,
Tl:el+e ;:er-;1 fo12.2 c~5:71~s ~rc;d?:ced d225ng the roliing 0
yr,e bc&.> 3 ,_. _. _ >TSZ~ .-..2& t:nn+ are ~~&i!.ed Cue be rolled k~ko 5~~3 from > 7
l&rcn "AL.52 c7---- t;_;_JL be r.a:hb-.;d for the Sxt-amnh River FToject,
Tke OL:T ~L&~fc&~~ ,~~~~:~c)z,cce j1", this rolling, as CoapZcd to other ~o!J&-~;,, -?ras 2 ~~$~ ;;i?:;ze 71~ the pass schedule,
Dj--C~S~rL':; '33 -T-z 3^,r- ---. __.-i -.Y,; ._< .a
At thee T-Z. .-; J. ;I LT., --:.?-” ___d Z-2--.;, %e plSS scheduie Outl~ed 52 3iXisbor0!3 fii;l-\ ^,: FIT ;,;a3 -7c‘) ? e-,-t&, _-*c - - .,.1--v .:f%er tine tit:: i~~got had 3een rolled, a chap~~.:~ -c;-s 7~50 -3 tkt gzss sciedu.-e, 81 This chmge :;as nado for tl:e ._ C,.Z"O c 2. :- = -;-:-.-.L;,-r A-',, 4. the section in tii.e " IY 2- 3-- *.-. L.,--;, ---v ,endeocy to lloveiTiLl'f ; .q.- I; ,>n ;ezs $krxg:: 2 ~e2z:ticn irlr the momt OL " -cork 'zeiqg .20:;.2 in cl,3 yass, 23, kzzge zor:3:~-~.-.~ 4 of a &crease 3f l/32 of al ~i2C5 iii -3X5
of t,he rsll ~=>k;s CT; 3s lOth, lllth and 12th passes, These chc~=3 .- -cl -
in -ihe ~022 FL b-A6z Ge .y.T*C4r.-.^ shovn ir. the table bellow,
: .
PASS
Flat Flat Edge Flat 3dge Flat Edge Pla-t Edge Flat JqjTn L &- ?I.,& ---i-4
Zdge
oval
%?&-oTal
,,~~-.,..“,u.u”s~-~ ---.--* -” ,.,-~ldt -“: ? -.e.M-“+.*---“,:-‘,
,“,
__.,.__-L. -r. CM,.. ~;-r?Vl”nr. _, ‘; ._,; . . ‘.
?
e ** . _ .r>. c *__C_ -. -“&&~~~g~~:& jz .I -VW- f
~p”%3&~. “T,” ‘~~,-, t . -.“‘:y:T y;, ; : ‘!I, . n-’ .._ .i ‘.,.., 1, -5Ty Jl,
.>!J m -. -,-:w Z.P .- I.,*;,;p~.ap. 4) a ,*.,
PARTINS (ino), PARTCiG ~(3.2.) , E'RIL 5th ROLLING- jpjl I1T cxxs & FGLiRTX21 IXOTS zorJJ3 ox ON PIAY 2, 1952 P!AY 2 & 3, IS!2
4 - 3-45"
2 S-7/15
l/-2 z-3/15
l/2 l-l>/16
l/S l-9/16
l/2 “4&
3m S/16 - w/h4
IL
“-3” 2 Z-7/16
l/2 a-3716
l/Z l-i3/16
l/2 l-17/3%
15/32% l-13/3B
5m 3/G
S/l6 - 19/a
*+,--;&g d~c.reaS& '~7 l/32 inch,
&-L ei~z.2~tfo~ 37 The L.w~y, I A '-2T7af test-sections rolled at the April 5th -~~,,~-j,~~ y,s-~? &c:;n ",'nr'; ;:?e act-z-J redluctions obtaked ix the Uth, xl%>; & Iz",k F;;ESS~S >-ci;Je been cuite light, xkile the re&xtLon in ty-‘e r---- hacr ___ x.r:; ?.a -i4rr- yti-be heaTJ. These C~II~SS h the ~oIU yJFb r',-- s -.2--,-<3 ycJ FJ'&,&" ec; -;y; ,the fol&xing changes in the redxl,lon
:. 9CCCI7~,.3.X3- 1:: t,ese pQse:j:
FJZS Szi?E RIGLYJCTION ($) *RZJJCTIOX ($) (i2s of April.
so 1952) (03";;; ; and
t 2
7 97 11*0 ,‘.d Flat
72 y-2-- ,L+;c ;:;
9.8 12 g-&J '7 ..a 803 1-3 Edge 2004 1?*4
+tEstixats -d 7alxe.
X0 advert? ~lollizg condition was obsemed as a result of t&se chaqes- '2here xas no tendency for the billtit to-t& down ia arq~ of the passi33..
It was dj_fY"Lcclt to inspect the surface condition du5L;lg To-g xitk ;::7-.- J~<>~~r.--a g f s,~.yC~SiicJil,) '2'he ,~l.f~~-~;!~.l.t:i~s pi=?:.- >=t,j;l : 3 ~rcc.i. I :3 --m-~' - .,_L ..I._. - " a,ion i12ciu226 -;ils salt &--r clJy"r:-;l6 tht? s&x",on <:::c& 1 4 +,:3&e ;--v<-<.~
,csl .:q .:sA
,, I*.,. 1 \,~9e”* ‘-.:’
i-xml~red -ia the inspectlor;, me e;cagmin&i4ml that ::a~ ~~-,ad->, :lo:;q-reyl sho:& t!lc l;c?p-dency to overfill the 13th pass 'bad '~tien e?kk:.-t..:~I,
Cl.ose ~mmi.zati.zn OL p the fiz-&htxl L-.Sj/l6 x l-15/32 ix:-i S17-lets sho;re:‘, :qzYi,nkLes on ‘ihe tq3 and ‘oottcm of the set-tion, Th? sides 9.f tile sec7l.c;:: vere fr-22 of any de.?Yects, It, I.5 at3parent that .fmAher st;2S;; of ::I,2 pass s&e&de needs to be ;-;?ade if kl,:es;,t XZ'~~!<~SL; ae to '02 el;-?L:at:!<,
The fLrst ten i?go-ts :.T~E! rolled with a rnir,-kU2 of t2~e15-2ge TIT‘? G?-;I
tamci,fi5- that was dcme xas J to 0btaj.r~ -r?nQr ilto the fl.Yst 3d@2~ ?3c?szar ~~g:.Te;~~r, 2s the roI!2.i~~; prozressed, i+, ;;a~, folmd til;it "1~ t2yerir.g UL tz had to be Lncreaseti;,, Taaperkli; :;z.s needed rncst oil the i5rs-G j s t.r;o~c! > tkird a-2 fif'i:l yass mz,?.e 0~~ erery -*Ag;ot, It is felt *hat the rez! not to taJxr th&: _"ir:$; f.~gots ~0 se.L-erely is a fmctigfi of <ihe CJ><.~O laxer ccve?i2g 5F.e PO: : a-t the start of each rolJi;?g. I'lli;-;: 0k.2~
. . layer se-z5 to prc-nx~ 2 roughened smrfxe t?&at "bites" the 'g-J-& * ~{o~ger~-=- *- 3 y--is r-;+q.~r*& s-xface j-5 sooi-!. wor3 a:m-f acd the %it-1!' U,CA -2as2so 'e nr
The 7-i:: .zp”r2t0rs ~0~2 ‘2ezaa to decrease the reduction on the :.‘ir.e
p3SS (:;>.Ty+$ z T+-cre.a.se +A the roll Txcting, say of L/E: 3f ax ix:-. ) irl al 3fz3-+ to ->>:>-LJ za?t,er t?~.t;;-y of the L,--3 .:-cot into the till. ---.d-
An 2yR-‘ ..-c-‘on a? L’q-. -.- ..,...M”.._ -_.- “L . . ” :- of the &Xl. &.ve discloozd tlrz% the ZirsS ,J,..‘= - ,-3 t&m eC_:; ;~;ss~s ~1;;' ::-he :%it (IyiLl-:?ead) pass 31'2 Zlazed, 32:s . sI;?oo';c,3~a Is 2 .._ ___._ --i-ij p _ ,^ - -= ;-, 2 -‘ w n cause to Aippixg and it necessikates t.5 f5-.4.4.r~ 'm WI_ _____ -be P-X-- :--II :.:cr, of the -faces on the m$?er e&;;i~.~ _ I- __.,-, _--+1.-
-! ,.2-‘ ,,.... . passes ____ b,,,>E -'1--e cr;-.=:.:;zlg has oc;r-a*rede . It ha3 'ceer, z2cczxenZed -a :mA a+" ; -- - nhTY -. at.- zTr2-r:--.G i-. -. ,A-.z - ;3 .--LA. for the r;l:rpse of dCteiTKkli9~ if dT5?SSiT!z ,.-- - 1s necc-s&ry ,nG ^W AJC --;a .-a.+ yi A"- _--- -.r-x T&-:--g. It :?as gqxxYay keel2 a,?&. f-ha", +_- - ;lls :qi T 1 -4- '2 -2 >e ssed 52 it codd '~2 cop,;i.G.ererl to 'oe 'sene-
ficial,
~~~ouE~2-~v tkE ro!,k;, a ~~z'ip'~.ctor;i checP xs mdi: XI t:2e ro?l ' i wny: prt,L;:Es -2sec;. "3 -v_L 27;q-y fifth -&--go'; * ?he Obsel-JErs ?a!~!!'--;; this
data _",~c;;.Js.r'- tyvv r,$-E.g :.pjth a FAew to recor.!I.ng 2Zh>r Sl$lii- - . - -: .-1‘ c;:-\,t deyj.a.l-l;yA.s _":c;y *"b-e ;zas cA -%'Ded roll ~:artizgs~ j, SLur,r,UJ cf this data is 2s foxCi;s:
41 J< :> ,,
: -1 .‘>,i
; ,.;i.” 3 il\*.,Y -- -< t, .?b? ri 1.
r -...
.A-
PASS
(rloo>
1
: I 1 5 6 7 I 9
10 -I- I 3P AL 13 -?i& lf
PFU33c~ISm PAzmrm
e-4
4 j-;38
2 S--{/l6
l/2 2-3; l-6
l/2 l-1$16 l/2
1-lj/32 !.5/:3 ‘:
l-13/32 .5,‘16 3115 :c /g; Al/
J-s; is p-q 1-L .2P3..+ “3 -eGC -- -.a. - _- J - -,x3
9s 91
I,xm?.rn OF D m LIT I@;L’ s 7OljXD
365 4 I 3 2 2 2 2 1 0
.~r-3.lGE ;Ia!.GIi i’;‘?jzz GT .G,‘, ‘I’:-:: cF,T;‘_,p--:;S
(i::.)
2 $S” > L - -7&J 8 T + l/61: -j y5;! ; .--/Lx: & l/64 - l/XL + 1/+
0 f l/32 Jf l/611
ioTjhLi
the rolling SehaTCour pf the elo,ven i_l:;o-t; 21L”-’ =rY- c.2 CL!,? I- 1.L c.. I * i"L,: -" $.SLg L.zclzsize. .ATtw the jLL7t.n ir,g~t (26115) 'r,ak 5~2 $t""T-?-- z-e- Ad,:qea $-; 'cat?& I. ,.,- -c-- _- -.. . 9 the ;pparen-t tmprztwx of the stit bzt5 lL2',~G-.13~,~* _ .,.I,.. - -7 -c, -3 -,:! :'zmJ 'Ly-3 -A. 5 2.e.. i
iA- y. ^..I S-y L ,rc: _.-w _I 3 ‘2r ” & -!1> l 3 e ag~eariZIlce of the '3iXct titer -Ihe Ttist ;2ss
cl0 s el-.- L : 9 s s e==:7 I 1. -; a-+---iT s-t&i. iz that the izsgot appe3rsd :o he failin; jr& ray g ZTT;~L;~~ I-;,- * -yh i T,$i 12 s2ctlon of the jiLlet .,.Tas nol~-unflor-n: aicr_; 51:: side ,-Y 32 3ecLULo~ e. c T-3 i..&- ncr,-l!nL.fnr-x flow of 21s xeta1 r2sult;ed ??A *.- L _ ,. 3 f??-. - J- _..- attop, ~3 a '$-2J& kaT>g scallo& edges as sho;in in ',he sketch 'x?io~,
Large, tesr,- xere eCdc32t on tke sides ad the tq of the 5~iIi.e-t;. XC.X~TOI.LS SLXl?i9. "-ce ad. correr checks xerc avident,
. ‘T,,. -4 +: ‘.i” ?+’ i $3 * .__ ,~&;r;p*v
It T;:~s not j~:~edj&ely' app.arcnt thaz this xas :.;holl-J a fmc~io:; of -;k:e ten-pe:T::.tu--e; tl;:,t, the ingct ~n:*y ha?TE: beefi :kUl-SOIXd :T2s 2.20 cgyLs~~~r:;c~, EoTJeTpi,, :.,ilen the 2.eXt i:lgot ch~Xit?d ;!le S;?Xl ZffCCt, StC)S i,' 3 7 - I td;‘;:?~ tr; d&<2rTL&t2 She caq.;.lse, The tep:xratwe 910 t!~.e sal-t bahl-, :*a~ f31~.::! ',c, '2~ +::1:: i cause <u;d s&s::P.EP~~ i.x;ots m re aLo;72d to cm31 on Ihe m -m r.31_7_3 3:: 3:~ xi.11 until th,: :' 0 L- ~~~j~-~&~t -face te:.. ;;erat?Zu vas 1?-3YT (aFroI<,). 2~ tke terq3era~L~e data &e&s, the re:.~ngseof flty~peretu--s on the ;";~--r,i:~~ :?:-.I- th‘-:& lkLC/J’ q are the ~-1 -De;o,Pe tL;-;ntered
dmpr2tures to rrilich these .L?gOtS ;ieTt3 rC!.m;2d 1.3 cczl t,he xal. It 5FJ.3 9f ixtere5-t; to note the 7er;; ,!.:;:.I
co~&qg r2.j~~ 0: the i?&s 2s they In;;r 3p the m -on 3XXLso "iis -.-3r;r 510:; __.*-L COO?L.2,7 :-zi;e ~~73s ?o(~$ that, the cools& at fhe sud'zi~‘e yjas 31$5* '2 c s,zYm:L; ,7 *>;e kls1de c;: the bgc-t :as 50-t .a.nd xas s.:F&-ir::; heat 50 the ~.x~lacc, -5 5.:; not ~~p~‘e~~.~o~*:~'~~c $,o would ‘2s "
asa: -3 thC?t the tempcatxn? gr.LLr,,, 71 - 0 7-f c tie yp-ese -J,!;.F-;,J :iv- p.jsater t;?dc those ingot; roldXXl 13 the USU2.l i222.Y. -'L', Zi. f-2
. cjl:ite -y~~ijle thr;t t,l?.n t;ejyce:-a-tme z:&:.tdzi;.; 1j31e 8VCrJ. 12;;:; 5llFL: .,_. _ ,..' i.; .A.'.- -~ec,zJ-L;,e~~ 132 i;il& ;xc+.;)Jly h SC],&&" 311 .i;::c T,JI:--‘):l raus a
c&q~~p+q:;3 -27 2,ny- --,-I “,-A.-. -..-A AL”.4bllru
~epres~-y~~f:<---;~s of +~-JZZ requested t;l_ak (a-q-) ten kAgofus te aoaL;?< ,xt a
.tcm;eys:,-:-a TJ& t;?nt $,>jqr entered t>;e -~~;li.u~ ;if, l lCGO~m y>ese s~+~~~s -,.;-3ye
to ‘-2 c~~-r:-cter~:$,~y~ 05 ~.zt,er<jl. roued 12 .:3 j:l Ie931d (y&is ~at&L:~~~. 5~ 2~ ‘se fl-- -..T GP. i”=I;w-7,G - _ _ -La s ..A - 3; __ j ?rqeratm e of 1_1a’)Q3) Sars finkhed r'x:~ ;?i; mz-" "I" f _. - - 1 - - 3 fd 3 '3 ,z :. c :_ :- L- 4 *--. zls fQP(-j c&o& - v .I :"r(yr, ;.hj& s],;;q +ill 5e ,~~~~~~-~-~!~~ ,7e;--z
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, t 3 -: "-+ 2.. --L -._ J sf:wrTl ~rot!ls~s enco:.m-l;ered in ?TLzT;-'.. .. 3 ~rz2,-.~ o;?r.a*lons* The Siliets 2223 were accecttx! for 3~5: 5~:31--
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Tesl oL>c~ ‘;;xafs :b~rs ~0% aside for speci& aval~~ati.ono rp;e ';en A'1 :-- u .-...-- - " .> E,S?g t;_,--,-Jg:-L 35~1 +cL-;s~-T~ r~iere cocsidered to h,e ",y@ .cd of ~at~k?.L r>J.L<?d y,-L( i c; .
. . - > <- > .- : L A-. mi 1 n-1 -..- I- -.>... d nr,;L_LL c A.,*. copyjlt;r;ns c, TyQese Sil?-ets zfi to '03 fjy+ 3-1 -Al' ~-2 - LA - ..___-..A
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beta* G,-~~iiC;j*g y I-+c.-. 3f present 2:-ductior, practioe axd set as52 Zsr
aT:cr to aa&~y',?g:,
Curing -tie r311ixg, d2t2 :4dre recorded, on e~eq fifsh ii?g;ot, to ;?.C;-i fke in%er-:a:- q3t3-t;TSCl th-ci 5iZZ 23 ingot emerged frown the salt bath until th.3 fiaisl-i~; teqxratuze -+.-as recorde& ';_‘i;e results of this st-&r zi"9 2m-~~ bd3W
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As has Seen the pactice, tp&e Radimatic heads used to record t:kc: t~~q~~raSv,L-es xc?3 cali.z-r&t& ig, the lzioorator~~ of the ?ro:~~: Inst;r'1;7:.>:-1; Compq,, before th.62 rclLLng,
TVO calLbr~:ti~n tests of Ihc Radimat~ ' 0 l?eads wer.z mdr! at 2.e m X .i.n~, These :eAs -.:cre made m ",he usual wajr '0-f us'izg ,a test billet-sxkioz.* me fi,rst test ::ade 3 5 c,oon on 3'rS.Zc~ indicat.td that tfic -lcr~F-pr~,~y7!7L~<~ yL‘- CCrdd yhen ~i.p& -L;p", :;~T>s t&&m out of the h&h ~~3-e ccr-ect :.;F"t'..i.r? ,&??. Be otkler Sadi2~?at1c Ilead YJsed in the calibration test x;?s ZE: r;ss:;l ?;I- ey-- epT* -p-!; . ‘, y!_ y 3 a&r. .g y; an:! >7zs not ",he orie used to read the f'-lli.r;>:ti,: %7.;- egat"l-se 3.2 rfts:.:?;t of the s;zcop+d test indicated tk,a$ 2b.e e~?r!.::.:-.-d :::z;! as ~t~~~&ry~,s 7;j;;s rLt.“, f:~er_l;ion$.~Lg uroperl-y and the data are t!le- 231"'3 y-2;; Tlqc--L.<.& b. tb-is re;yr<; c
OI? c,>* 5 '2 2 s 57 s 0 ; :>- c; regL:ts o'otai7_&i, -iy t5-2 first ca.llbra-tloT? test, ~~'2. t ey-13 e-" 2-b'= 9 s 3--~3-+yg iy t:?is rqxr~ !1a.Ve r^ct been corTec",2d 22cJ, a-2 -..*Yeb-* - ass-Es:! to 'ce cc?re-,-; as reported,
.m- If:.*,-‘2 ,,_e I^a--.... c;ULC*? ^;353 ~~i~?ut-se&j..~n that, has been used at ;rPTXc;ls ewe-.. i'3 -I:;..)zv --a- > 3 is A 'm^.T."L '"A - . . -=.-.d tc je rea&;r for re~lacm?nt b Th.2 C-T; 3tx,Ft .,' '3 =I_?+, ",h -1 3 3ec.f-jcn I _ ya;- --~c;>r'.-,-e$ nas l-z1 2.: it >a+>~ o.Tc-;,cEzed, It Is 231; 2 -; a 70-w ..".+2 z: "u-or;, :?:7.-.215:,: ,.*-,,.; -4 A)' .- - ,I ?.e;? t~her,mcoun~ n ,-Ls, is rquired xxi tl,is f- ; SeC-,lXi T.-Y-~ : ^ ,?l& -.; ;7.-2_---, '- -ble for the nex5 rollk+
?-K L-ay..~..n,,-- ^> --.A--~ tests a-r" _ ._ _ A‘ _ .>L , -=-. y- '. <p-e szlt bath -.cce r;.ade Tcr 723 ‘f~.:‘i"c.ose . _ - _: ..- ;>.-..-: -2 -- .:> --.,2--:-;, 01 -.=..-- ,,_-__.-_ e ..___ cL-.em.Fe-,n - i 1 tepI$er&*~~c tfiro~Jg$+aat t:l_‘z :J&;: o ‘-e”es
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* ,T&-* a 'z~r;= is the discharge end,
it TX;-. :se n-+=r: -y->;t +,pcl ..-4-.- ." tenpr&,nre of each. k-got as it rests 03 t,ke m -CT, r3'?s has net been recorded, -au' tj%en t,he crzgqe h2:j 3sed 50 ZOP? L'.7is "_- ,,
I 1 i"-go;2 A_.._. JdE! -.-P Ah 5215 jatil to -the run-cn ro-- 7’S of -ihe al'.li, 'cnere X?.T .?.
conskiera-cl'.? -;,;rl2t,Lsn k the h,2ndlirLg t,ime thrt erch ;Lng;ot ~c\~?i-::ll-
The recording of this texperatui'e -in ~re~?-ous :ollings ;zls c~nsLber%: tc
be necesszz~ kcauss of the fat 5 that these haair;g tixes :-aTi.ed -':m .
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. . Jr:.? .k-.s;t dlxticr, o.? 525: !?;:ssp&f);1 to "'r-2 ":m-on y0y-J:; of ti13 ;ngJ. I;:1s 11.:; :; c,f]g ~~itlIc:,!d -Lht! I1J.~d:l..i;!~ 'k-c!??:3 I-;-1$ it hzee; ,~l-so r&-z,c -:;'.
the va.Ti.atSigr;:; in tJ?r.ese t:Li?.e3.. ?JcI-~J -j-t; 53 felt t'::.*.it tZ;e rJr?j,q- ~a:::;& in takiig this rZXJ-~il$( OV~~-*~d~i~llS t:lc! '~q%eci~~3 gti.r;cd fro;n the re-::ijq -;,r?y,; ccfisid~r:~~io~-e is g-j-ye> to t!lc fac$ that ",ke &Ot:T :KZ, be ho.kts:? :f::en ti:::-;
reacl~. the rdls . Cf"e Teadip.? 02 the tmq,:r?~a--l?~e 3? FEFJ ttcn5h kgi'ot, ai; it ~'pdr& cyl t;he ~-c~g-op. ro=s o< thz r;;iu, mxs ~'de iyo d&em-ke . I - $,i!C a'Jrfy3:,7! lms iz t m ;j:eratLm : of an. jJgo% eJ.lrL?l~ the pc?rFoi? 0: ",rarisfc:r frm f,hE: sale- &t-& to % :I:: rol2.s of the m&X ., T$e averqy ri-Q'i'crer_cz in the m~~.%~~u -..: thq2 t$np .-~y:;-u~+ reading of r' : i-q'& as it ene:'g?S frown the s,sif; ‘2 -: :h .T.'.- ., ,, -' -A -ir..J the tcg-p:eratuza read&g on li!le l-m -on rc7ll.S h,?S 'cfl?eC dCUl3tCC! fTor? tk a temp?:: ~."iE.rO data and foxncl to be Slr$. It is riot nrX7easocabl2 to asxxd til xt % ;:a 2'3.l;g S&,t~een the tim the bgot is I~~_TY~~x? fx;fl the :;.yL* y-1-:,:= an fy?~ -t" 2 tiqe the te~~era%~e is a~.,,,~ -1, ,T&- Teco-rded, $us the! delay a_'t2r the read&g 3f 'ihe i;enyxxt:m2 cn cl:? rxl-c:1 A -0lILs Llri%II the klgo% er;,ters -the rolls x0d.d ~emli; in z cm&_at:'--$c loss OT" agr~;r-i;:aCel;r 23"?, "-j-S :.rolfid i-,zcate a total apprp?.t loss i21 temprat2.r: 'cetireta the Sal'< '323. axd tke xlILs of tli: m i.l.2. to e ap~:so:&GLt 21y Lc'jk'.
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'.c?L i: yLrn~ &I.&J prr'o.r,x-d. during the roiliz~~ has shorn t.kk thxc.f kz beck, a con :xL s t El% hmdjjilg ",ilp.<? for ill tine ingots, As the rolli;~~:; ILL;-~ yrr:.- G'"f'sz3;ec!., u c-;;eps 'nave bsen t&e-n to 2chieVc the UltiZate ~cd. 02 ?rscI-2.ciz:i
billets !l:~r.rj.;~g i&ntic3_1 prior histories,
0x3 sig.zif'I.cm-L inq~~ovmwxt that htn not, as yet, been xride is 50 t=&x k:te larger crc,p at back end of the biU..et (Le, the top of the kg&) :z.ther thaII at t:.7*2. front (i-e, the bottom of the bigot) ol the bili;zt, 'P::.l;i i.s cor,si?.c:red imyrtmt vkn consider.3.tioa is gixen 50 the fati t!:;-L jp-~,gyj.+~ -: <.< <.; b, t& -1, 01 L '9-L _ . i#i\llO 3 being of a lesser speci.fic grn7Lt-y ';!12:2 t!.cj ::fiL+;,
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The ;iiel.d of netal frox i;2got to fiti3ked bill& SlJitable ?or :in:s:2 * -7.. r I_...-. 1 oL.;-?,; ; 22. 93 L/Y *o.Jpa
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