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Procedure for Welder Test

Prior to testing:

The welders must wear safety shoes & glasses and bring with themselves the required

tools, such as grinding wire wheel, etc

Material and size of test coupon:

Material should be seamless pipe SA106Gr B or equivalent

Diameter (2 inches NS or 2!1"2 inches NS# pipe schedule $%or 2 inches pipe

schedule &&S (11 mm'# %or heav) *all pipe it needs to be used 2!1"2 inches

NS the thic+ness should be 16mm or 1, mm and position (6G' o% each *eld test-

.elder ma) brin/ *ith himsel% the special pipe# li+e 1 inches NS- 6 inches *ith schedule 0 (11 mm' thic+ness

Weld coupon preparation:

est coupon land *idth at discretion o% *elder-

oot openin/ is at discretion o% *elder-

2(t*o' root tac+ ma) be required %or 2 inches test coupon# 3(%our' root tac+ ma)

be required %or 6 inches test coupon and ma) not be removed 4 (ma5 inch lon/'

he tac+s become a part o% the *eldment7 brid/e tac+s are not allo*ed-

Must tack coupon and obtain inspectors approval prior to proceeding.

A%ter coupons are tac+ed the) need to be stamped b) *eldin/ inspector %ortraceabilit)-

Weld test set-up:

ac+ coupon to position and ad8ust hei/ht to *elder9s pre%erence

:nspector mar+s"stamps must %ace the top end o% the pipe

6 inches pipe test coupon shall be completed in the ;G and hori

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deposited# the e5aminer shall instruct the *elder to run another pass or remove

some o% the metal %or accurac) to the actual values accordin/ to the .>- Inspect*elder on the di%%erent inspection %it up points at completion o% root *eld

and %inal inspection o% cap at completion o% *eldin/ .eld out coupon (hot pass# %ill and cap'- A /rinder *ire *heel ma) be used durin/

*eldin/- ompleted *eld requires inspector9s approval be%ore proceedin/ %or .!16= as an acceptance criterion- No openin/

/reater than 1"C is allo*ed in an) direction

RT report requirements as per ASM I!:

"# Inspection compan$ s%ould be specified in t%e RT report follo&ing:

he si: number

ASM? :&

T%e le'el II tec%nician &it% (GS) number s%all sign t%e RT report*

If t%e information and data in RT report is found incorrect t%is is t%e

responsibilit$ of "# Inspection compan$ to correct an$ mista+e, not

TSAS

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