BS EN 12164-2016 Copper and copper alloys Rod for free machining purposes《铜和铜合金 易切削用棒材》.pdf

1、BS EN 12164:2016Copper and copper alloys Rod for free machiningpurposesBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 12164:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12164:2016. Itsupersedes BS EN 12164:2011 whi

2、ch is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee NFE/34, Copper and copper alloys.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a

3、contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 91260 3 ICS 77.150.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under th

4、e authority of theStandards Policy and Strategy Committee on 31 July 2016.Amendments/corrigenda issued since publicationDate Text affectedBS EN 12164:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12164 July 2016 ICS 77.150.30 Supersedes EN 12164:2011English Version Copper and copper alloy

5、s - Rod for free machining purposes Cuivre et alliages de cuivre - Barres pour dcolletage Kupfer und Kupferlegierungen - Stangen fr die spanende Bearbeitung This European Standard was approved by CEN on 9 April 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which sti

6、pulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European

7、 Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are th

8、e national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romani

9、a, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by an

10、y means reserved worldwide for CEN national Members. Ref. No. EN 12164:2016 EBS EN 12164:2016EN 12164:2016 (E) 2 Contents Page European foreword . 4 Introduction 6 1 Scope 7 2 Normative references 8 3 Terms and definitions . 8 4 Designations 8 4.1 Material . 8 4.1.1 General 8 4.1.2 Symbol . 9 4.1.3

11、Number . 9 4.2 Material condition 9 4.3 Product 9 5 Requirements 12 5.1 Composition . 12 5.2 Mechanical properties 12 5.3 Resistance to dezincification . 13 5.4 Residual stress level 13 5.5 Dimensions and tolerances 13 5.5.1 Diameter or width across-flats 13 5.5.2 Shape tolerances 13 5.5.3 Straightn

12、ess 13 5.5.4 Length . 13 5.5.5 Corner radii 14 5.5.6 Twist of polygonal rod 14 5.5.7 Shaped ends . 14 5.6 Surface quality. 16 6 Sampling 16 6.1 General . 16 6.2 Analysis 16 6.3 Mechanical tests . 16 6.4 Dezincification resistance and stress corrosion resistance tests . 16 7 Test methods . 17 7.1 Ana

13、lysis 17 7.2 Tensile test . 17 7.2.1 General . 17 7.2.2 Location of test pieces 17 7.2.3 Shape and size of test pieces 17 7.2.4 Procedure for testing 17 7.2.5 Determination of results . 17 7.3 Hardness test . 18 7.4 Dezincification resistance test 18 7.5 Stress corrosion resistance test 18 7.6 Deter

14、mination of the electrical conductivity . 18 BS EN 12164:2016EN 12164:2016 (E) 3 7.7 Retests 18 7.7.1 Analysis, tensile test, hardness test and dezincification resistance test, determination of the electrical conductivity 18 7.7.2 Stress corrosion resistance test 19 7.8 Rounding of results 19 8 Decl

15、aration of conformity and inspection documentation . 19 8.1 Declaration of conformity 19 8.2 Inspection documentation 19 9 Marking, packaging, labelling 19 Bibliography . 39 Figures Figure 1 Measurement of twist of polygonal rod . 14 Figure 2 Shaped ends of rod, Types 15 Tables Table 1 Indicative sh

16、aped ends dimensions 15 Table 2 Composition of low alloyed copper alloys 20 Table 3 Composition of copper-nickel-zinc alloys . 21 Table 4 Composition of copper-tin alloys . 21 Table 5 Composition of copper-zinc alloys. 22 Table 6 Composition of copper-zinc-lead alloys 23 Table 7 Composition of compl

17、ex copper-zinc alloys . 25 Table 8 Mechanical properties of rod of low alloyed copper alloys 26 Table 9 Mechanical properties of rod of copper-nickel-zinc alloys 27 Table 10 Mechanical properties of rod of copper-tin alloys 29 Table 11 Mechanical properties of rod of copper-zinc alloys . 30 Table 12

18、 Mechanical properties of rod of copper-zinc-lead alloys . 32 Table 13 Mechanical properties of rod of complex copper-zinc alloys . 34 Table 14 Tolerances on diameter of round rod (including deviation from circular form) 36 Table 15 Tolerances on width across-flats of regular polygonal rod . 36 Tabl

19、e 16 Tolerances on straightness of rod . 37 Table 17 Tolerances on length of nominal length rod . 37 Table 18 Corner radii for square, hexagonal and octagonal rod 37 Table 19 Maximum twist of square, hexagonal and octagonal rod . 38 Table 20 Sampling rate 38 BS EN 12164:2016EN 12164:2016 (E)BS EN 12

20、164:2016EN 12164:2016 (E) 2 Contents Page European foreword . 4 Introduction 6 1 Scope 7 2 Normative references 8 3 Terms and definitions . 8 4 Designations 8 4.1 Material . 8 4.1.1 General 8 4.1.2 Symbol . 9 4.1.3 Number . 9 4.2 Material condition 9 4.3 Product 9 5 Requirements 12 5.1 Composition .

21、 12 5.2 Mechanical properties 12 5.3 Resistance to dezincification . 13 5.4 Residual stress level 13 5.5 Dimensions and tolerances 13 5.5.1 Diameter or width across-flats 13 5.5.2 Shape tolerances 13 5.5.3 Straightness 13 5.5.4 Length . 13 5.5.5 Corner radii 14 5.5.6 Twist of polygonal rod 14 5.5.7

22、Shaped ends . 14 5.6 Surface quality. 16 6 Sampling 16 6.1 General . 16 6.2 Analysis 16 6.3 Mechanical tests . 16 6.4 Dezincification resistance and stress corrosion resistance tests . 16 7 Test methods . 17 7.1 Analysis 17 7.2 Tensile test . 17 7.2.1 General . 17 7.2.2 Location of test pieces 17 7.

23、2.3 Shape and size of test pieces 17 7.2.4 Procedure for testing 17 7.2.5 Determination of results . 17 7.3 Hardness test . 18 7.4 Dezincification resistance test 18 7.5 Stress corrosion resistance test 18 7.6 Determination of the electrical conductivity . 18 BS EN 12164:2016EN 12164:2016 (E) 3 7.7

24、Retests 18 7.7.1 Analysis, tensile test, hardness test and dezincification resistance test, determination of the electrical conductivity 18 7.7.2 Stress corrosion resistance test 19 7.8 Rounding of results 19 8 Declaration of conformity and inspection documentation . 19 8.1 Declaration of conformity

25、 19 8.2 Inspection documentation 19 9 Marking, packaging, labelling 19 Bibliography . 39 Figures Figure 1 Measurement of twist of polygonal rod . 14 Figure 2 Shaped ends of rod, Types 15 Tables Table 1 Indicative shaped ends dimensions 15 Table 2 Composition of low alloyed copper alloys 20 Table 3 C

26、omposition of copper-nickel-zinc alloys . 21 Table 4 Composition of copper-tin alloys . 21 Table 5 Composition of copper-zinc alloys. 22 Table 6 Composition of copper-zinc-lead alloys 23 Table 7 Composition of complex copper-zinc alloys . 25 Table 8 Mechanical properties of rod of low alloyed copper

27、 alloys 26 Table 9 Mechanical properties of rod of copper-nickel-zinc alloys 27 Table 10 Mechanical properties of rod of copper-tin alloys 29 Table 11 Mechanical properties of rod of copper-zinc alloys . 30 Table 12 Mechanical properties of rod of copper-zinc-lead alloys . 32 Table 13 Mechanical pro

28、perties of rod of complex copper-zinc alloys . 34 Table 14 Tolerances on diameter of round rod (including deviation from circular form) 36 Table 15 Tolerances on width across-flats of regular polygonal rod . 36 Table 16 Tolerances on straightness of rod . 37 Table 17 Tolerances on length of nominal

29、length rod . 37 Table 18 Corner radii for square, hexagonal and octagonal rod 37 Table 19 Maximum twist of square, hexagonal and octagonal rod . 38 Table 20 Sampling rate 38 BS EN 12164:2016EN 12164:2016 (E)BS EN 12164:2016EN 12164:2016 (E) 4 European foreword This document (EN 12164:2016) has been

30、prepared by Technical Committee CEN/TC 133 “Copper and copper alloys”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2017, and conflicting nation

31、al standards shall be withdrawn at the latest by January 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12164:2011

32、. Within its programme of work, Technical Committee CEN/TC 133 requested CEN/TC 133/WG 4 “Extruded and drawn products, forgings and scrap” to revise the following standard: EN 12164:2011, Copper and copper alloys Rod for free machining purposes. This document is one of a series of European Standards

33、 for the copper and copper alloy products rod, wire, profile and forgings. Other products are specified as follows: EN 12163, Copper and copper alloys Rod for general purposes; EN 12165, Copper and copper alloys Wrought and unwrought forging stock; EN 12166, Copper and copper alloys Wire for general

34、 purposes; EN 12167, Copper and copper alloys Profiles and bars for general purposes; EN 12168, Copper and copper alloys Hollow rod for free machining purposes; EN 13601, Copper and copper alloys Copper rod, bar and wire for general electrical purposes; EN 13602, Copper and copper alloys Drawn, roun

35、d copper wire for the manufacture of electrical conductors; EN 13605, Copper and copper alloys Copper profiles and profiled wire for electrical purposes. In comparison with EN 12164:2011, the following significant technical changes were made: a) addition of four new materials: CuZn37Pb1 (CW605N), Cu

36、Zn35Pb1,5AlAs (CW625N), CuZn33Pb1,5AlAs (CW626N) and CuZn33Pb1AlSiAs (CW725R) due to the market requirements on restriction of lead and modification of the chemical composition for CuZn39Pb1 (CW611N); b) introduction of an optional procedure how to refer to restrictions to the chemical composition i

37、mposed by the 4 MS Common Composition List for materials used for products accepted for contact with drinking water; c) requirements and test methods for resistance of dezincification modified; d) provisions for surface quality added; BS EN 12164:2016EN 12164:2016 (E) 5 e) mechanical properties for

38、CuZn21Si3P (CW724R) modified. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Repu

39、blic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12164:2016EN 12164:2016 (E)BS EN 12164:2016EN 12164

40、:2016 (E) 4 European foreword This document (EN 12164:2016) has been prepared by Technical Committee CEN/TC 133 “Copper and copper alloys”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or

41、by endorsement, at the latest by January 2017, and conflicting national standards shall be withdrawn at the latest by January 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying

42、any or all such patent rights. This document supersedes EN 12164:2011. Within its programme of work, Technical Committee CEN/TC 133 requested CEN/TC 133/WG 4 “Extruded and drawn products, forgings and scrap” to revise the following standard: EN 12164:2011, Copper and copper alloys Rod for free machi

43、ning purposes. This document is one of a series of European Standards for the copper and copper alloy products rod, wire, profile and forgings. Other products are specified as follows: EN 12163, Copper and copper alloys Rod for general purposes; EN 12165, Copper and copper alloys Wrought and unwroug

44、ht forging stock; EN 12166, Copper and copper alloys Wire for general purposes; EN 12167, Copper and copper alloys Profiles and bars for general purposes; EN 12168, Copper and copper alloys Hollow rod for free machining purposes; EN 13601, Copper and copper alloys Copper rod, bar and wire for genera

45、l electrical purposes; EN 13602, Copper and copper alloys Drawn, round copper wire for the manufacture of electrical conductors; EN 13605, Copper and copper alloys Copper profiles and profiled wire for electrical purposes. In comparison with EN 12164:2011, the following significant technical changes

46、 were made: a) addition of four new materials: CuZn37Pb1 (CW605N), CuZn35Pb1,5AlAs (CW625N), CuZn33Pb1,5AlAs (CW626N) and CuZn33Pb1AlSiAs (CW725R) due to the market requirements on restriction of lead and modification of the chemical composition for CuZn39Pb1 (CW611N); b) introduction of an optional

47、 procedure how to refer to restrictions to the chemical composition imposed by the 4 MS Common Composition List for materials used for products accepted for contact with drinking water; c) requirements and test methods for resistance of dezincification modified; d) provisions for surface quality add

48、ed; BS EN 12164:2016EN 12164:2016 (E) 5 e) mechanical properties for CuZn21Si3P (CW724R) modified. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cy

49、prus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12164:2016EN 12164:2016 (E)BS EN 12164:2016EN 12164:2016 (E) 6 Introduction The European Committee for Stand