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BRITISH STANDARD BS EN12165:1998

The European Standard EN 12165:1998 has the status of aBritish Standard

ICS 77.150.30

NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

Copper and copperalloys Wrought and

unwrought forging stock

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This British Standard, havingbeen prepared under thedirection of the EngineeringSector Board, was publishedunder the authority of theStandards Board and comes intoeffect on 15 October 1998

BSI 1998

ISBN 0 580 29254 1

BS EN 12165:1998

Amendments issued since publication

Amd. No. Date Text affected

National foreword

This British Standard is the English language version of EN 12165:1998 published bythe European Committee for Standardization (CEN). It supersedes BS 2872:1989which is withdrawn.

The UK participation in its preparation was entrusted by Technical CommitteeNFE/34, Copper and copper alloys, to Subcommittee NFE/34/1, Wrought andunwrought copper and copper alloys, which has the responsibility to:

aid enquirers to understand the text;

present to the responsible European committee any enquiries on theinterpretation, or proposals for change, and keep the UK interests informed;

monitor related international and European developments and promulgatethem in the UK.

A list of organizations represented on this subcommittee can be obtained on requestto its secretary.

Cross-references

The British Standards which implement international or European publicationsreferred to in this document may be found in the BSI Standards Catalogue under thesection entitled International Standards Correspondence Index, or by using theFind facility of the BSI Standards Electronic Catalogue.

A British Standard does not purport to include all the necessary provisions of acontract. Users of British Standards are responsible for their correct application.

Compliance with a British Standard does not of itself confer immunityfrom legal obligations.

Summary of pages

This document comprises a front cover, an inside front cover, the EN title page,pages 2 to 18, an inside back cover and a back cover.

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CENEuropean Committee for Standardization

Comite Europeen de Normalisation

Europaisches Komitee fur Normung

Central Secretariat: rue de Stassart 36, B-1050 Brussels

1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nationalMembers.

Ref. No. EN 12165:1998 E

EUROPEAN STANDARD EN 12165

NORME EUROPEENNE

EUROPAISCHE NORM January 1998

ICS 77.150.30

Descriptors: Copper, copper alloys, wrought products, metal bars, round bars, die forgings, designation, orders : sales documents,chemical composition, mechanical properties, sampling, mechanical tests, dimensions, dimension tolerances, conformitytests, marking

English version

Copper and copper alloys Wrought and unwrought forging stock

Cuivre et alliages de cuivre

Barres corroyees et brutes pour matricage

Kupfer und Kupferlegierungen

Vormaterial fur Schmiedestucke

This European Standard was approved by CEN on 26 December 1997.

CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration. Up-to-date lists and bibliographicalreferences concerning such national standards may be obtained on application to

the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Central Secretariat has thesame status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland andUnited Kingdom.

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Foreword

This European Standard has been prepared byTechnical Committee CEN/TC 133, Copper and copperalloys, the Secretariat of which is held by DIN.

This European Standard shall be given the status of anational standard, either by publication of an identicaltext or by endorsement, at the latest by July 1998, andconflicting national standards shall be withdrawn atthe latest by July 1998.

Within its programme of work, Technical CommitteeCEN/TC 133 requested CEN/TC 133/WG 4, Rod/bar,wire, profiles, to prepare the following standard:

EN 12165, Copper and copper alloys Wrought and

unwrought forging stock.This is one of a series of European standards forcopper and copper alloy products in the form of rod,wire, profile and forgings. Other products are specifiedas follows:

EN 12163, Copper and copper alloys Rod for generalpurposes.

EN 12164, Copper and copper alloys Rod for freemachining purposes.

EN 12166, Copper and copper alloys Wire forgeneral purposes.

EN 12167, Copper and copper alloys Profiles andrectangular bar for general purposes.

EN 12168, Copper and copper alloys Hollow rod forfree machining purposes.

prEN 12420,Copper and copper alloys Forgings.

According to the CEN/CENELEC Internal Regulations,the national standards organizations of the followingcountries are bound to implement this EuropeanStandard: Austria, Belgium, Czech Republic, Denmark,Finland, France, Germany, Greece, Iceland, Ireland,Italy, Luxembourg, Netherlands, Norway, Portugal,Spain, Sweden, Switzerland and the United Kingdom.

Contents

PageForeword 2

1 Scope 3

2 Normative references 3

3 Definitions 3

3.1 forging 3

3.2 forging stock 3

3.3 circularity (round rod) 3

4 Designations 3

4.1 Material 3

4.2 Material condition 3

4.3 Product 3

5 Ordering information 4

6 Requirements 5

6.1 Composition 5

6.2 Hardness 5

Page

6.3 Resistance to dezincification 5

6.4 Dimensions and tolerances 5

7 Sampling 5

7.1 General 5

7.2 Analysis 5

7.3 Hardness and dezincification resistance tests 5

8 Test methods 5

8.1 Analysis 5

8.2 Hardness test 5

8.3 Dezincification resistance test 6

8.4 Retests for analysis, hardness and

dezincification resistance 68.5 Rounding of results 6

9 Declaration of conformity and inspectiondocumentation 6

9.1 Declaration of conformity 6

9.2 Inspection documentation 6

10 Marking, labelling, packaging 6

Annex A (informative) Bibliography 18

Annex B (normative) Determination of mean depthof dezincification 18

Table 1 Composition of copper 7

Table 2 Composition of low alloyed copper

alloys 7Table 3 Composition of copperzinc alloys 8

Table 4 Composition of copperzinclead alloys 8

Table 5 Composition of complex copperzincalloys 9

Table 6 Composition of coppernickel alloys 9

Table 7 Composition of coppernickelzinc alloys 10

Table 8 Composition of copperaluminium alloys 10

Table 9 Mechanical properties of copper 10

Table 10 Mechanical properties of low alloyedcopper alloys 11

Table 11 Mechanical properties of copperzinc

alloys 12Table 12 Mechanical properties ofcopperzinclead alloys 12

Table 13 Mechanical properties of complexcopperzinc alloys 13

Table 14 Mechanical properties of coppernickelalloys 14

Table 15 Mechanical properties ofcoppernickelzinc alloys 15

Table 16 Mechanical properties ofcopperaluminium alloys 16

Table 17 Tolerances on diameter 17

Table 18 Tolerances on length 17Table 19 Tolerances on straightness of roundrod supplied to class C tolerances on diameter 17

Table 20 Sampling rate 17



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1 Scope

This European Standard specifies the composition,

property requirements and dimensional tolerances forcopper and copper alloy round rod supplied in straightlengths, specifically intended for forging. This standardis also applicable to regular polygonal rod, hollow rod,rectangular bar and profiles intended for forging.

The sampling procedures, the methods of test forverification of conformity to the requirements of thisstandard, and the delivery conditions are alsospecified.

2 Normative references

This European Standard incorporates, by dated or

undated reference, provisions from other publications.These normative references are cited at theappropriate places in the text and the publications arelisted hereafter. For dated references, subsequentamendments to or revisions of any of thesepublications apply to this European Standard onlywhen incorporated in it by amendment or revision. Forundated references, the latest edition of the publicationreferred to applies.

EN 1655, Copper and copper alloys Declarations ofconformity.

prEN 1976,Copper and copper alloys Castunwrought copper products.

EN 10003-1, Metallic materials Brinell hardnesstest Part 1: Test method.

EN 10204, Metallic products Types of inspectiondocuments.

EN ISO 6509:1995, Corrosion of metals and alloys Determination of dezincification resistance of brass.(ISO 6509:1981)

ISO 1811-2,Copper and copper alloys Selection andpreparation of samples for chemical analysis Part 2: Sampling of wrought products and castings.

ISO 6507-1, Metallic materials Hardness test Vickers test Part 1: HV 5 to HV 100.

NOTE Informative references to documents used in thepreparation of this standard, and cited at the appropriate places inthe text, are listed in a bibliography; see annex A.

3 Definitions

For the purposes of this standard, the followingdefinitions apply.

3.1

forging

shape produced by hammering or pressing betweenopen or closed dies, including hammering between flatsurfaces, normally when hot

NOTE The term forging includes the processes of forging, dropforging, hot stamping and hot pressing; the term forgingsincludes the products resulting from any of these processes ofmanufacture.

3.2

forging stock

extruded, rolled, drawn or cast material in the form ofrod, hollow rod, rectangular bar or profiles, intendedfor the production of forgings

3.3

circularity (round rod)

difference between the maximum and the minimumdiameters measured at any one cross-section of around rod

4 Designations

4.1 Material

4.1.1General

The material is designated either by symbol or number(see Tables 1 to 8).

4.1.2Symbol

The material symbol designation is based on thedesignation system given in ISO 1190-1.

NOTE Although material symbol designations used in thisstandard might be the same as those in other standards using thedesignation system given in ISO 1190-1, the detailed compositionrequirements are not necessarily the same.

4.1.3Number

The material number designation is in accordance withthe system given in EN 1412.

4.2 Material condition

For the purposes of this standard, the followingdesignations, which are in accordance with the systemgiven in EN 1173, apply for the material condition:

M Material condition for the product asmanufactured without specified mechanicalproperties;

H... Material condition designated by the minimumvalue of hardness requirement for the productwith mandatory hardness requirements.

NOTE Products in the H... condition may be specified to Brinellor Vickers hardness. The material condition designation H... is thesame for both hardness test methods.

Material condition is designated by only one of theabove designations.

4.3 Product

The product designation provides a standardizedpattern of designation from which a rapid andunequivocal description of a product is conveyed incommunication. It provides mutual comprehension atthe international level with regard to products whichmeet the requirements of the relevant European

Standard.

The product designation is no substitute for the fullcontent of the standard.

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The product designation for products to this standardshall consist of:

denomination (Forging stock);

number of this European Standard (EN 12165);

material designation, either symbol or number(see Tables 1 to 8);

material condition designation(see Tables 9 to 16);

cross-sectional shape (the following designationsshall be used as appropriate: RND for round, SQRfor square, HEX for hexagonal, OCT for octagonal,RCT for rectangular, PFL for profile);

for round, regular polygonal or hollow rod orrectangular bar, the nominal cross-sectionaldimension(s) (diameter, width across-flats, external

dimension 3 internal dimension, width 3 thickness,as appropriate);

for profiles, the number of the profile, or a fullydimensioned and toleranced drawing;

for round rod, the tolerance class (see Table 17).

The derivation of a product designation is shown inthe following example.

EXAMPLE

Forging stock conforming to this standard, in materialdesignated either CuZn40Pb2 or CW617N, in materialcondition H080, round, nominal diameter 15 mm,tolerance class A, shall be designated as follows:

Forging stock EN 12165 CuZn40Pb2 H080 RND15A

or

Forging stock EN 12165 CW617N H080 RND15A

Denomination

Number of this EuropeanStandard

Materialdesignation

Material conditiondesignation

Cross-sectional shape,

nominal cross-sectionaldimension in millimetres,tolerance class

5 Ordering information

In order to facilitate the enquiry, order andconfirmation of order procedures between thepurchaser and the supplier, the purchaser shall state onhis enquiry and order the following information:

a) quantity of product required (mass);

b) denomination (Forging stock);

c) number of this European standard (EN 12165);

d) material designation (see Tables 1 to 8);

e) for round or regular polygonal rod, materialcondition designation (see 4.2and Tables 9 to 16), ifit is other than M;

f) cross-sectional shape;

g) size required:

for round rod, diameter and whether class A, Bor C tolerance is required, unless the toleranceclass is to be left to the discretion of the supplier(see Table 17);

for regular polygonal or hollow rod, orrectangular bar, nominal dimension(s) andtolerance(s) required, unless they are to be left tothe discretion of the supplier;

for profiles, a fully dimensioned and toleranceddrawing;

h) the length of product required, unless the lengthis to be left to the discretion of the supplier;

i) for forging stock in precipitation hardening alloys(i.e. those alloys in Table 2), whether the testsamples are to be prepared in accordance with a)or b) or8.2.2.2, unless the choice is to be left to thediscretion of the supplier.

NOTE It is recommended that the product designation, asdescribed in4.3, is used for items b) to g).

In addition, the purchaser shall state on the enquiryand order any of the following, if required:

j) whether for round or regular polygonal rod thetest method to be used for the measurement ofhardness is to be Brinell or Vickers (see 8.2), unlessthe test method is to be left to the discretion of thesupplier;

k) whether dezincification resistance testing ofCuZn36Pb2As (CW602N) forging stock is requiredand whether the dezincification resistanceacceptance criterion required is other than grade A(see 6.3);

l) whether a declaration of conformity is required(see 9.1);

m) whether an inspection document is required, andif so, which type (see 9.2);

n) whether there are any special requirements formarking, labelling or packaging (see clause 10).

EXAMPLE

Ordering details for 500 kg of forging stock conformingto EN 12165, in material designated either CuZn40Pb2or CW617N, in material condition H080, round,nominal diameter 15 mm, tolerance class A, nominallength 2 500 mm, Vickers hardness test method:

500 kg forging stock EN 12165 CuZn40Pb2 H080 RND15A

nominal length 2 500 mm

Vickers hardness test method

or

500 kg forging stock EN 12165 CW617N H080 RND15A

nominal length 2 500 mm

Vickers hardness test method



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6 Requirements

6.1 CompositionThe composition shall conform to the requirements forthe appropriate material given in Tables 1 to 8.

6.2 Hardness

The hardness properties of H... condition material shallconform to either the Brinell or the Vickers hardnessrequirements given for round or regular polygonal rodin Tables 9 to 16. The test shall be carried out inaccordance with 8.2. The test method to be used(Brinell or Vickers) shall be stated by the purchaser inthe order [see 5j)] unless the choice is to be left to thediscretion of the supplier.

NOTE No tensile requirements are specified in this standard. The

tensile values given in Tables 9 to 16 are approximate and aregiven for information only.

6.3 Resistance to dezincification

The depth of dezincification of CuZn36Pb2As(CW602N) products shall be:

for grade A: maximum 200 mm;

for grade B: mean not to exceed 200 mm andmaximum 400 mm [see 5k)].

The test shall be carried out in accordance with 8.3.

NOTE The as-supplied forging stock may not necessarily meetthis requirement unless suitably heat treated as described in 8.3.The test is intended to demonstrate that forgings produced from

the stock are capable of being processed so as to pass the testrequirement.

6.4 Dimensions and tolerances

6.4.1Diameter

The diameter shall conform to the tolerances given inTable 17 for class A, B or C, as appropriate to the order[see 5g)]. The diameter is calculated as the mean ofone or more pairs of measurements taken at rightangles at the same cross-section of the rod.

6.4.2Circularity

For round rod the deviation from circularity shall notexceed half the range of the tolerance on diameter

given in Table 17.

6.4.3Length

The forging stock shall conform to the tolerances onlength given in Table 18.

NOTE Subject to agreement between the purchaser and thesupplier, an agreed proportion of underlength rod may be includedin a consignment.

6.4.4Straightness

For round rod of diameter from 10 mm up to andincluding 50 mm, supplied to class C tolerances ondiameter and of length 1 000 mm or over, the deviationfrom straightness, defined as the curvature (depth of

arc) against a datum line when the product is lying flatin a horizontal plane, shall conform to the tolerancesgiven in Table 19.

7 Sampling

7.1 GeneralWhen required (e.g. if necessary in accordance withspecified procedures of a supplier's quality system, orwhen the purchaser requests inspection documentswith test results, or for use in cases of dispute), aninspection lot shall be sampled in accordance with 7.2and 7.3.

7.2 Analysis

The sampling rate shall be in accordance with Table 20.A test sample, depending on the analytical technique tobe employed, shall be prepared from each samplingunit and used for the determination of thecomposition.

NOTE 1 When preparing the test sample, care should be taken toavoid contaminating or overheating the test sample. Carbidetipped tools are recommended; steel tools, if used, should bemade of magnetic material to assist in the subsequent removal ofextraneous iron. If the test samples are in finely divided form(e.g. drillings, millings), they should be treated carefully with astrong magnet to remove any particles of iron introduced duringpreparation.

NOTE 2 In cases of dispute concerning the results of analysis,the full procedure given in ISO 1811-2 should be followed.

Results may be used from analyses carried out at anearlier stage of manufacturing the product, e.g. at thecasting stage, if the material identity is maintained andif the quality system of the manufacturer is certified as

conforming to EN ISO 9001 or EN ISO 9002.7.3 Hardness and dezincification resistance tests

The sampling rate shall be in accordance with Table 20.Sampling units shall be selected from the finishedproducts. The test samples shall be cut from thesampling units and may require heat treatment beforetesting. Test samples, and test pieces prepared fromthem, shall not be subjected to any further treatment,other than any machining operations necessary in thepreparation of the test pieces.

8 Test methods

8.1 AnalysisAnalysis shall be carried out on the test pieces, or testportions, prepared from the test samples obtained inaccordance with 7.2. Except in cases of dispute, theanalytical methods used shall be at the discretion ofthe supplier. For expression of results, the roundingrules given in 8.5shall be used.

NOTE In cases of dispute concerning the results of analysis,methods of analysis to be used should be agreed between thedisputing parties.

8.2 Hardness test

8.2.1General

When a hardness test is to be carried out the testsamples shall be prepared in accordance with 8.2.2and the test shall be carried out in accordancewith 8.2.3.

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8.2.2Preparation of samples

8.2.2.1Non-precipitation hardening alloys

Test samples from alloys in Table 1 and in Tables 3to 8, obtained in accordance with 7.3, at the option ofthe supplier, shall be prepared in accordance witheither a) or b) as follows:

a) directly from forging stock produced by hotworking; or

b) from forging stock subsequently annealed at atemperature of not less than 500 8C for not lessthan 30 min.

NOTE The method of preparation of the test sample, i.e. whetherin accordance with a) or b) of8.2.2.1, should be stated togetherwith the hardness test results obtained, on any inspectiondocument supplied for the forging stock [see5m)].

8.2.2.2Precipitation hardening alloysTest samples from alloys in Table 2, obtained inaccordance with 7.3, shall be either:

a) used directly (i.e. in the as-delivered condition) forthe hardness test; or

b) solution heat treated and precipitation hardenedbefore testing

at the option of the purchaser [see 5i)], unless thechoice of sample preparation has been left to thediscretion of the supplier.

NOTE The method of preparation of the test sample, i.e. whetherin accordance with a) or b) of8.2.2.2, should be stated, togetherwith the hardness test results obtained, on any inspection

document supplied for the forging stock [see 5m)].

8.2.3Procedure for testing

Hardness shall be determined on a test piece cut fromthe test sample prepared in accordance with 8.2.2. Thetest shall be carried out in accordance with EN 10003-1or ISO 6507-1 as appropriate [see 5j)] and theimpression/indentation made on the cross-section ofthe test piece mid-way between the central axis andthe outside surface.

For the Vickers test in accordance with ISO 6507-1, atest force of 49,03 N, 98,07 N or 294,21 N shall be used.

For the Brinell test in accordance with EN 10003-1,

a 0,102F/D2 ratio of 10 shall be used, i.e. use a 1,00 mmdiameter ball and a force of 98,07 N, or a 2,5 mmdiameter ball and a force of 612,9 N, or a 10,0 mmdiameter ball and a force of 9 807 N.

NOTE When reporting hardness test results, reference should bemade to the method of preparation of the sample (see 8.2.2).

8.3 Dezincification resistance test

The test method given in EN ISO 6509 shall be used onthe test samples obtained in accordance with 7.3. Ifrequired, the test samples shall be heat treated in thetemperature range 450 8C to 550 8C before testing. Atest piece shall be taken from each test sample so asto expose a prepared cross-sectional surface to the test

solution.

At the completion of the test:

for grade A, the maximum depth ofdezincification in a longitudinal direction shall be

measured; for grade B, the mean depth of dezincification (inaccordance with annex B) and the maximum depthof dezincification, in a longitudinal direction, shall bemeasured.

8.4 Retests for analysis, hardness anddezincification resistance

If there is a failure of one, or more than one, of thetests in 8.1,8.2 or8.3, two test samples from the sameinspection lot shall be permitted to be selected forretesting the failed property (properties). One of thesetest samples shall be taken from the same samplingunit as that from which the original failed test piece

was taken, unless that sampling unit is no longeravailable, or has been withdrawn by the supplier.

If the test pieces from both test samples pass theappropriate test(s), then the inspection lot representedshall be deemed to conform to the particularrequirement(s) of this standard. If a test piece fails atest, the inspection lot represented shall be deemed notto conform to this standard.

8.5 Rounding of results

For the purpose of determining conformity to thecompositional limits specified in this standard, anobserved or a calculated value obtained from theanalysis shall be rounded in accordance with the

following procedure, which is based upon the guidancegiven in annex B of ISO 31-0:1992. It shall be roundedin one step to the same number of figures used toexpress the specified limit in this standard.

The following rules shall be used for rounding:

a) if the figure immediately after the last figure to beretained is less than 5, the last figure to be retainedshall be kept unchanged;

b) if the figure immediately after the last figure to beretained is equal to or greater than 5, the last figureto be retained shall be increased by 1.

9 Declaration of conformity and

inspection documentation9.1 Declaration of conformity

When requested by the purchaser [see 5l)] and agreedwith the supplier, the supplier shall issue for theproducts the appropriate declaration of conformity inaccordance with EN 1655.

9.2 Inspection documentation

When requested by the purchaser [see 5m)] and agreedwith the supplier, the supplier shall issue for theproducts the appropriate inspection document inaccordance with EN 10204.

10 Marking, labelling, packaging

Unless otherwise specified by the purchaser andagreed by the supplier, the marking, labelling andpackaging shall be left to the discretion of the supplier[see 5n)].



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Table 1 Composition of copper

Material

designation

Composition in % (m/m) Density2)

g/cm3

Symbol Number Element Cu1) Bi O P Pb Other elements(see note)

t ot al e xc luding a pprox.

Cu-ETP CW004A min. 99,90 Ag, O8,9

max. 0,000 5 0,0403) 0,005 0,03

Cu-OF CW008A min. 99,95 Ag8,9

max. 0,000 5 4) 0,005 0,03

Cu-HCP CW021A min. 99,95 0,002 Ag, P8,9

max. 0,000 5 4) 0,007 0,005 0,03

Cu-DHP CW024A min. 99,90 0,015 8,9max. 0,040

1) Including Ag, up to a maximum of 0,015 %.

2) For information only.

3) Oxygen content up to 0,060 % is permitted, subject to agreement between the purchaser and the supplier.

4) The oxygen content shall be such that the material conforms to the hydrogen embrittlement requirements of prEN 1976.

NOTE The total of other elements (than copper) is defined as the sum of Ag, As, Bi, Cd, Co, Cr, Fe, Mn, Ni, O, P, Pb, S, Sb, Se, Si, Sn,Te and Zn, subject to the exclusion of any individual elements indicated.

Table 2 Composition of low alloyed copper alloys

Material designation Composition in % (m/m) Density1)

g/cm3

Symbol Number Element Cu Be Co Cr Fe Mn Ni Pb Si Zr Otherstotal approx.

CuBe2 CW101C min. Rem. 1,8 8,3

max. 2,1 0,3 0,2 0,3 0,5

CuCo1Ni1Be CW103C min. Rem. 0,4 0,8 0,8 8,8

max. 0,7 1,3 0,2 1,3 0,5

CuCo2Be CW104C min. Rem. 0,4 2,0 8,8

max. 0,7 2,8 0,2 0,3 0,5

CuCr1 CW105C min. Rem. 0,5 8,9

max. 1,2 0,08 0,1 0,2

CuCr1Zr CW106C min. Rem. 0,5 0,03 8,9

max. 1,2 0,08 0,1 0,3 0,2

CuNi1Si CW109C min. Rem. 1,0 0,4 8,8

max. 0,2 0,1 1,6 0,02 0,7 0,3

CuNi2Be CW110C min. Rem. 0,2 1,4 8,8

max. 0,6 0,3 0,2 2,4 0,5

CuNi2Si CW111C min. Rem. 1,6 0,4 8,8

max. 0,2 0,1 2,5 0,02 0,8 0,3

CuNi3Si1 CW112C min. Rem. 2,6 0,8 8,8

max. 0,2 0,1 4,5 0,02 1,3 0,5

CuZr CW120C min. Rem. 0,1 8,9

max. 0,2 0,11) For information only.

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Table 3 Composition of copperzinc alloys

Materialdesignation

Composition in % (m/m) Density1)

g/cm3

Symbol Number Element Cu Al Fe Ni Pb Sn Zn Otherst ot al approx.

CuZn37 CW508L min. 62,0 Rem. 8,4

max. 64,0 0,05 0,1 0,3 0,1 0,1 0,1

CuZn40 CW509L min. 59,5 Rem. 8,4

max. 61,5 0,05 0,2 0,3 0,3 0,2 0,21) For information only.

Table 4 Composition of copperzinclead alloys


g/cm3

Symbol Number Element Cu Al As Fe Mn Ni Pb Sn Zn Otherstota l approx.

Group A alloys

CuZn38Pb2 CW608N min. 60,0 1,6 Rem. 8,4

max. 61,0 0,05 0,2 0,3 2,5 0,2 0,2

CuZn39Pb0,5 CW610N min. 59,0 0,2 Rem. 8,4

max. 60,5 0,05 0,2 0,3 0,8 0,2 0,2


max. 60,0 0,05 0,2 0,3 1,6 0,2 0,2

CuZn39Pb2 CW612N min. 59,0 1,6 Rem.

8,4max. 60,0 0,05 0,3 0,3 2,5 0,3 0,2


max. 59,0 0,05 0,3 0,3 3,5 0,3 0,2


max. 59,0 0,05 0,3 0,3 2,5 0,3 0,2

Group B alloys

CuZn36Pb2As CW602N min. 61,0 0,02 1,7 Rem. 8,4

max. 63,0 0,05 0,15 0,1 0,1 0,3 2,8 0,1 0,2

CuZn39Pb2Sn CW613N min. 59,0 1,6 0,2 Rem. 8,4

max. 60,0 0,1 0,4 0,3 2,5 0,5 0,2CuZn39Pb3Sn CW615N min. 57,0 2,5 0,2 Rem.

8,4max. 59,0 0,1 0,4 0,3 3,5 0,5 0,2

CuZn40Pb1Al CW616N min. 57,0 0,05 1,0 Rem. 8,3

max. 59,0 0,30 0,2 0,2 2,0 0,2 0,2

CuZn40Pb2Sn CW619N min. 57,0 1,6 0,2 Rem. 8,4




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Table 5 Composition of complex copperzinc alloys


g/cm3

Symbol Number Element Cu Al Fe Mn Ni Pb Si Sn Zn Otherstotal approx.

CuZn23Al6Mn4Fe3Pb CW704R min. 63,0 5,0 2,0 3,5 0,2 Rem. 8,2

max. 65,0 6,0 3,5 5,0 0,5 0,8 0,2 0,2 0,2

CuZn25Al5Fe2Mn2Pb CW705R min. 65,0 4,0 0,5 0,5 0,2 Rem. 8,2

max. 68,0 5,0 3,0 3,0 1,0 0,8 0,2 0,3

CuZn35Ni3Mn2AlPb CW710R min. 58,0 0,3 1,5 2,0 0,2 Rem. 8,3

max. 60,0 1,3 0,5 2,5 3,0 0,8 0,1 0,5 0,3

CuZn36Sn1Pb CW712R min. 61,0 0,2 1,0 Rem. 8,3

max. 63,0 0,1 0,2 0,6 1,5 0,2CuZn37Mn3Al2PbSi CW713R min. 57,0 1,3 1,5 0,2 0,3 Rem.

8,1max. 59,0 2,3 1,0 3,0 1,0 0,8 1,3 0,4 0,3

CuZn37Pb1Sn1 CW714R min. 59,0 0,4 0,5 Rem. 8,4

max. 61,0 0,1 0,3 1,0 1,0 0,2

CuZn39Mn1AlPbSi CW718R min. 57,0 0,3 0,8 0,2 0,2 Rem. 8,2

max. 59,0 1,3 0,5 1,8 0,5 0,8 0,8 0,5 0,3

CuZn39Sn1 CW719R min. 59,0 0,5 Rem. 8,4

max. 61,0 0,1 0,2 0,2 1,0 0,2

CuZn40Mn1Pb1 CW720R min. 57,0 0,5 1,0 Rem.

8,3max. 59,0 0,2 0,3 1,5 0,6 2,0 0,1 0,3 0,3

CuZn40Mn1Pb1AlFeSn CW721R min. 57,0 0,3 0,2 0,8 0,8 0,2 Rem. 8,3

max. 59,0 1,3 1,2 1,8 0,3 1,6 1,0 0,3

CuZn40Mn1Pb1FeSn CW722R min. 56,5 0,2 0,8 0,8 0,2 Rem. 8,3

max. 58,5 0,1 1,2 1,8 0,3 1,6 1,0 0,3

CuZn40Mn2Fe1 CW723R min. 56,5 0,5 1,0 Rem. 8,3

max. 58,5 0,1 1,5 2,0 0,6 0,5 0,1 0,3 0,41) For information only.

Table 6 Composition of coppernickel alloys


g/cm3

Symbol Number Element Cu C Co Fe Mn Ni P Pb S Sn Zn Otherstotal approx.

CuNi10Fe1Mn CW352H min. Rem. 1,0 0,5 9,0 8,9

max. 0,05 0,12) 2,0 1,0 11,0 0,02 0,02 0,05 0,03 0,5 0,2

CuNi30Mn1Fe CW354H min. Rem. 0,4 0,5 30,0 8,9

max. 0,05 0,12) 1,0 1,5 32,0 0,02 0,02 0,05 0,05 0,5 0,21) For information only.

2) Co max. 0,1 % is counted as Ni.

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Table 7 Composition of coppernickelzinc alloys


g/cm3

Symbol Number Element Cu Fe Mn Ni Pb Sn Zn Otherst ot al approx.

CuNi7Zn39Pb3Mn2 CW400J min. 47,0 1,5 6,0 2,3 Rem. 8,5

max. 50,0 0,3 3,0 8,0 3,3 0,2 0,2

CuNi10Zn42Pb2 CW402J min. 45,0 9,0 1,0 Rem. 8,4


Table 8 Composition of copperaluminium alloys


g/cm3

Symbol Number Element Cu Al Fe Mn Ni Pb Si Sn Zn Otherstotal approx.

CuAl6Si2Fe CW301G min. Rem. 6,0 0,5 2,0 7,7

max. 6,4 0,7 0,1 0,1 0,05 2,4 0,1 0,4 0,2

CuAl7Si2 CW302G min. Rem. 6,3 1,5 7,7

max. 7,6 0,3 0,2 0,2 0,05 2,2 0,2 0,5 0,2

CuAl8Fe3 CW303G min. Rem. 6,5 1,5 7,7

max. 8,5 3,5 1,0 1,0 0,05 0,2 0,1 0,5 0,2

CuAl9Ni3Fe2 CW304G min. Rem. 8,0 1,0 2,0 7,4

max. 9,5 3,0 2,5 4,0 0,05 0,1 0,1 0,2 0,3

CuAl10Fe1 CW305G min. Rem. 9,0 0,5 7,6

max. 10,0 1,5 0,5 1,0 0,02 0,2 0,1 0,5 0,2

CuAl10Fe3Mn2 CW306G min. Rem. 9,0 2,0 1,5 7,6

max. 11,0 4,0 3,5 1,0 0,05 0,2 0,1 0,5 0,2

CuAl10Ni5Fe4 CW307G min. Rem. 8,5 3,0 4,0 7,6

max. 11,0 5,0 1,0 6,0 0,05 0,2 0,1 0,4 0,2

CuAl11Fe6Ni6 CW308G min. Rem. 10,5 5,0 5,0 7,4

max. 12,5 7,0 1,5 7,0 0,05 0,2 0,1 0,5 0,21) For information only.

Table 9 Mechanical properties of copper

Designations Nominal cross-sectional dimension1) Hardness Tensilestrength

Rm

N/mm2

0,2 %proof

strengthRp0,2

N/mm2

ElongationA

%

Material Materialcondition

diametermm

across-flatsmm

HB HV

Symbol Number from up toand

including

from up toand

includingmin. min. approx. approx. approx.

Cu-ETP CW004A M All As manufactured

Cu-OF CW008A

Cu-HCP CW021A H040 6 80 6 60 40 40 (200) (50) (30)

Cu-DHP CW024A

1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.

NOTE 1 Figures in parentheses are not requirements of this standard, but are given for information only.

NOTE 2 1 N/mm2 is equivalent to 1 MPa.



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Table 10 Mechanical properties of low alloyed copper alloys

Designations Nominal cross-sectional

dimension1)

Hardness Tensile

strength

Rm

N/mm2

0,2 %

proofstrength

Rp0,2

N/mm2

Elongation

A

%


diametermm

across-flatsmm

HB HV


including

from up toand

including

min. min. approx. approx. approx.

CuBe2 CW101C M All As manufactured

H0852) 6 80 6 60 85 90 (450) (200) (20)

H3203) 320 330 (1 100) (950) (5)

CuCo1Ni1Be CW103C M All As manufactured

CuCo2Be CW104C

CuNi2Be CW110C H0602) 6 80 6 60 60 65 (300) (200) (20)

H2203) 220 230 (650) (550) (8)

CuCr1 CW105C M All As manufactured

CuCr1Zr CW106C

H0502) 6 80 6 60 50 50 (250) (150) (20)

H1053) 105 110 (370) (300) (15)

CuNi1Si CW109C M All As manufactured

H0502) 6 80 6 60 50 50 (300) (200) (20)

H1203) 120 125 (440) (300) (15)

CuNi2Si CW111C M All As manufactured

CuNi3Si1 CW112C

H0502) 6 80 6 60 55 60 (320) (200) (20)

H1303) 130 140 (500) (380) (10)

CuZr CW120C M All As manufactured

H0502) 6 80 6 60 50 50 (200) (80) (30)

H0803) 80 85 (220) (80) (30)1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.2) These properties apply to the as ``supplied'' non-precipitation hardened condition [see 8.2.2.2a)].3) These properties apply to the precipitation hardened condition [see8.2.2.2b)].



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Table 11 Mechanical properties of copperzinc alloys

Designations Nominal cross-sectionaldimension1)

Hardness Tensilestrength

Rm

N/mm2

0,2%proof

strengthRp0,2

N/mm2

ElongationA

%


diametermm

across-flatsmm

HB HV


including

from up toand

including

min. min. approx. approx. approx.

CuZn37 CW508L M All As manufactured

CuZn40 CW509L H070 6 80 6 60 70 75 (300) (100) (20)1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.


NOTE 2 1 N/mm2

is equivalent to 1 MPa.

Table 12 Mechanical properties of copperzinclead alloys



Rm

N/mm2

0,2%proof

strengthRp0,2

N/mm2

ElongationA

%


diametermm

across-flatsmm

HB HV


including

from up toand

including

min. min. appro x. appr ox. approx.

CuZn36Pb2As CW602N M All As manufactured

H070 6 80 6 60 70 75 (280) (120) (20)

CuZn38Pb2 CW608N M All As manufactured

CuZn39Pb0,5 CW610N

CuZn39Pb1 CW611N H080 6 80 6 60 80 85 (350) (140) (15)

CuZn39Pb2 CW612N

CuZn39Pb2Sn CW613N

CuZn39Pb3 CW614N

CuZn39Pb3Sn CW615N

CuZn40Pb1Al CW616NCuZn40Pb2 CW617N

CuZn40Pb2Sn CW619N1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.





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Table 13 Mechanical properties of complex copperzinc alloys

Designations Nominal cross-sectional dimension1) Hardness Tenstre

R

N/m


diametermm

across-flatsmm

HB HV

Symbol Number from up to and

including

from up to and

includingmin. min. app

CuZn23Al6Mn4Fe3Pb CW704R M All As manufactured

H180 6 80 6 60 180 190 (700)

CuZn25Al5Fe2Mn2Pb CW705R M All As manufactured

CuZn37Mn3Al2PbSi CW713R

CuZn39Mn1AlPbSi CW718R H130 6 80 6 60 130 135 (550)

CuZn35Ni3Mn2AlPb CW710R M All As manufacturedCuZn40Mn1Pb1AlFeSn CW721R

CuZn40Mn1Pb1FeSn CW722R H100 6 80 6 60 100 105 (440)

CuZn36Sn1Pb CW712R M All As manufactured

CuZn37Pb1Sn1 CW714R

CuZn39Sn1 CW719R H080 6 80 6 60 80 85 (350)

CuZn40Mn1Pb1 CW720R

CuZn40Mn2Fe1 CW723R1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.



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Table 14 Mechanical properties of coppernickel alloys



Rm

N/mm2

0,2%proof

strengthRp0,2

N/mm2

ElongationA

%


diametermm

across-flatsmm

HB HV


including

from up toand

including

min. m in. ap prox. ap prox. approx.

CuNi10Fe1Mn CW352H M All As manufactured

H070 6 80 6 60 70 75 (280) (100) (20)

CuNi30Mn1Fe CW354H M All As manufactured

H080 6 80 6 60 80 85 (310) (100) (20)1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.





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Table 15 Mechanical properties of coppernickelzinc alloys

Designations Nominal cross-sectional dimension1) Hardness Tensstren

Rm

N/m


diametermm

across-flatsmm

HB HV

Symbol Number from up to and

including

from up to and

includingmin. min. appr

CuNi7Zn39Pb3Mn2 CW400J M All As manufactured

CuNi10Zn42Pb2 CW402J

H110 6 80 6 60 110 115 (460)1) Shapes other than round or regular polygonal cross-sections shall be supplied in M condition.



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Table 16 Mechanical properties of copperaluminium alloys



Rm

N/mm2

0,2%proof

strengthRp0,2

N/mm2

ElongationA

%


diametermm

across-flatsmm

HB HV


including

from up toand

including

mi n. m in. appro x. appr ox. approx.

CuAl6Si2Fe CW301G M All As manufactured

CuAl7Si2 CW302G

H120 6 80 6 60 120 125 (500) (250) (20)

CuAl8Fe3 CW303G M All As manufactured

H110 6 80 6 60 110 115 (460) (180) (30)

CuAl9Ni3Fe2 CW304G M All As manufactured

H115 6 80 6 60 115 120 (500) (180) (30)

CuAl10Fe1 CW305G M All As manufactured

H100 6 80 6 60 100 105 (420) (180) (20)

CuAl10Fe3Mn2 CW306G M All As manufactured

H120 6 80 6 60 120 125 (500) (250) (12)

CuAl10Ni5Fe4 CW307G M All As manufactured

H180 6 80 6 60 180 190 (650) (350) (12)

CuAl11Fe6Ni6 CW308G M All As manufactured

H190 6 80 6 60 190 200 (750) (450) (5)1) Shapes other than round or regular polygonal cross-section shall be supplied in M condition.





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Table 17 Tolerances on diameter

Values in millimetres

Nominal diameter Tolerances

over up to andincluding

class A class B class C

61) 10 0,20 0,11 0,06

10 18 0,25 0,14 0,07

18 30 0,30 0,17 0,08

30 50 0,60 0,20 0,16

50 80 0,70 0,37 0,191) Including 6.

NOTE Material supplied to class C tolerances will normally bedrawn finish.

Table 18 Tolerances on length

Values in millimetres

Nominal diameter1) Tolerances


62) 30 100

30 50 200

50 80 3001) For cross-sections other than round, the diameter of the circleequivalent to the same cross-sectional area of product.

2)

Including 6.

Table 19 Tolerances on straightness ofround rod supplied to class C tolerances on

diameterNominaldiameter

Maximum deviation from straightness(see6.4.4)

mm

localized over any400 mm length

over whole length L ofrod in metres (L $ 1 m)

for alloysin

Tables 4,5 and 7

for alloysin

Tables 1,2, 3, 6and 8

for alloysin Tables 4,

5 and 7

for alloysin Tables 1,

2, 3, 6and 8

from 10mm upto and

including50 mm

1,5 3,0 3,03 L 6,03 L

Table 20 Sampling rate

Nominal diameter1)

mmSize of inspection lot

for one test samplekg


up to and including

10 500

10 25 1 000

25 50 1 500

50 2 0001) For cross-sections other than round, the diameter of the circleequivalent to the same cross-sectional area of product.

NOTE Larger quantities require sampling in proportion, up to amaximum of five test samples.

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NOTE The locations for the measurement of dezincification depth, in three different cases, are marked X.

Figure B.1 Examples of contiguous fields

Annex A (informative)

Bibliography

In the preparation of this European Standard, use wasmade of a number of documents for referencepurposes. These informative references are cited at theappropriate places in the text and the publications arelisted hereafter.

EN 1173,Copper and copper alloys Materialcondition or temper designation.

EN 1412, Copper and copper alloys Europeannumbering system.

EN ISO 9001, Quality systems Model for qualityassurance in design/development, production,installation and servicing.(ISO 9001:1994)

EN ISO 9002, Quality systems Model for qualityassurance in production, installation and servicing.(ISO 9002:1994)

ISO 31-0:1992,Quantities and units Part 0: Generalprinciples.

ISO 1190-1, Copper and copper alloys Code ofdesignation Part 1: Designation of materials.

Annex B (normative)

Determination of mean depth of

dezincification

B.1 Introduction

EN ISO 6509 specifies a method for the determinationof the maximum depth of dezincification of a brassspecimen. In accordance with the ruling given in 7.5.3of EN ISO 6509:1995, the following procedure extendsthe method to cover the determination of the meandepth of dezincification, in order to verify conformityto the dezincification resistance acceptance criteria forCuZn36Pb2As (CW602N) grade B products.

The principle of the method, the reagents, materialsand apparatus required, and the procedure for theselection and preparation of the test pieces, are all in

accordance with EN ISO 6509.

B.2 Procedure

Having determined the maximum depth ofdezincification in a longitudinal direction, inaccordance with clause 7of EN ISO 6509:1995(see 8.3), carry out the following operations todetermine the mean depth of dezincification.

Adjust the magnification of the microscope to suit thegeneral depth of dezincification and use the samemagnification for all measurements. Examine the entirelength of the section for evaluation, in contiguousvisual fields of the microscope.

NOTE To ensure the best accuracy of measurement, measure thelargest number of contiguous fields at the greatest possiblemagnification.

Using the measuring scale incorporated in themicroscope, measure and record the dezincificationdepth, i.e. the point of intersection of the scale and thedezincification front, [see Figure B.1a)] for eachcontiguous field. If the scale lies between twodezincified areas within the visual field, thedezincification depth shall be recorded as the point ofintersection of the scale and an imaginary line joiningthe extremities of the two dezincification frontsadjacent to the scale [see Figure B.1b)].

If there is no evidence of dezincification in the fieldexamined, or only one dezincified area which does notintersect the scale, then record the dezincificationdepth of that field as zero [see Figure B.1c)].

B.3 Expression of results

After measurement of all the contiguous fields alongthe entire length of the section for evaluation, calculateand report the mean dezincification depth as the sumof the measured depths for every field, divided by thenumber of contiguous fields examined.



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