1、Designation: B122/B122M 11Standard Specification forCopper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (NickelSilver), and Copper-Nickel Alloy Plate, Sheet, Strip, andRolled Bar1This standard is issued under the fixed designation B122/B122M; the number immediately following the designation indicates
2、the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the D
3、epartment of Defense.1. Scope*1.1 This specification establishes the requirements forcopper-nickel-tin alloy, copper-nickel-zinc alloy (nickel sil-ver), and copper-nickel alloy plate, sheet, strip, and rolled bar.The following alloys are covered:PreviouslyCopper Alloy Used Nominal Composition,UNS No
4、.2Designation %Copper Nickel Zinc TinChro-miumC70600 . 90 10 . . .C70620 . 86 10 . . .C71000 6 80 20 . . .C71500 5 70 30 . . .C71520 . 65 31 . . .C72200 . 85 15 . . 0.5C72500 . 89 9 . 2 .C73500 1 72 18 10 . .C74000 9 70 10 20 . .C74500 3 65 10 24 . .C75200 2 65 18 17 . .C76200 8 59 12 29 . .C77000 4
5、 55 18 27 . .NOTE 1Plates of copper-nickel alloy Copper Alloy UNS Nos.C70600, C70620, C71500, C71520, and C72200 for use as tube plates insurface condensers and heat exchangers are covered by SpecificationB171/B171M.1.2 The values stated in either inch-pound units or SI unitsare to be regarded separ
6、ately as standard. Within the text, theSI units are shown in brackets. The values stated in eachsystem are not exact equivalents; therefore, each system shallbe used independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.1.2.1 When the p
7、roduct is ordered in inch-pound units, theinch-pound units are to be regarded as the standard exceptgrain size is always specified in millimetres.1.2.2 When the product is ordered in SI units, the SI unitsare to be regarded as the standard.2. Referenced Documents2.1 ASTM Standards:3B171/B171M Specif
8、ication for Copper-Alloy Plate andSheet for Pressure Vessels, Condensers, and Heat Ex-changersB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate, Sheet, Strip, and RolledBarB248M Specification for General Requirements forWrought Copper and Copper-Alloy Plate, Sheet,
9、 Strip, andRolled Bar (Metric)B601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic Materi-als Metric4E112 Test Meth
10、ods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for ChemicalAnalysis of CopperAlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)3. General Requirements3.1 The
11、 following sections of Specification B248 constitutea part of this specification:3.1.1 TerminologyDefinitions,1This specification is under the jurisdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition
12、 approved Oct. 1, 2011. Published November 2011. Originallyapproved in 1939. Last previous edition approved in 2008 as B122/B122M 08.DOI: 10.1520/B0122_B0122M-11.2The UNS system for copper and copper alloys (see Practice E527) is a simpleexpansion of the former standard designation system accomplish
13、ed by the additionof a prefix “C” and a suffix “00.” The suffix can be used to accommodatecomposition variations of the base alloy.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informa
14、tion, refer to the standards Document Summary page onthe ASTM website.4Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, We
15、st Conshohocken, PA 19428-2959, United States.3.1.2 Materials and Manufacturing,3.1.3 Workmanship, Finish, and Appearance,3.1.4 Samplingexcept for chemical analysis,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Methodsexcept for chemical analysis,3.1.8 Significance of Numer
16、ical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Test Reports (Mill),3.1.13 Packaging and Package Marking, and3.1.14 Supplementary Requirements,3.2 In addition, when a section with a title identical to thatreferenced in 4.1 appears in this specification, it con
17、tainsadditional requirements, which supplement those appearing inSpecification B248.4. Terminology4.1 DefinitionsFor standard terms related to copper andcopper alloys, refer to Terminology B846.5. Ordering Information5.1 Orders for products under this specification shouldinclude the following inform
18、ation:5.1.1 ASTM designation and year of issue (B122/B122M XX),5.1.2 Copper (alloy) UNS number designation,5.1.3 Temper (Section 8),5.1.4 Dimensions: thickness and width (see Section 12),5.1.5 Type of edge, if required: slit, sheared, sawed, squarecorners, rounded corners, rounded edges, or full rou
19、ndededges,5.1.6 How furnished: flat or rolls,5.1.7 Length (see Section 12), and5.1.8 Weight: total for each size.5.2 In addition, when material is purchased for agencies ofthe U.S. government, it shall conform to the SupplementaryRequirements as defined in Specification B248 when specifiedin the con
20、tract or purchase order.6. Materials and Manufacture6.1 Material:6.1.1 The material of manufacture shall be a cast bar, cake,slab, and so forth of Copper Alloy UNS No. C70600, C70620,C71000, C71500, C71520, C72200, C72500, C73500,C74000, C74500, C75200, C76200, or C77000 as specified inthe ordering
21、information.6.1.2 In the event that heat identification or traceability isrequired, the purchaser shall specify the details desired.NOTE 2Because of the discontinuous nature of the processing ofcastings into wrought products, it is not always practical to identify aspecific casting analysis with a s
22、pecific quantity of finished material.6.2 Manufacture:6.2.1 The product shall be manufactured by such hot-working, cold-working, and annealing processes as to producea uniform wrought structure in the finished product.6.2.2 The product shall be hot or cold worked to the finishedsize and subsequently
23、 annealed, when required, to meet thetemper properties specified in the ordering information.6.2.3 EdgesSlit edges shall be furnished unless otherwisespecified in the contract or purchase order.7. Chemical Composition7.1 The material shall conform to the chemical compositionprescribed in Table 1.7.2
24、 These specification limits do not preclude the presenceof other elements. Limits may be established for unnamedelements by agreement between manufacturer or supplier andpurchaser.7.2.1 For copper alloys for which copper is specified as aremainder, copper may be taken as the difference between thesu
25、m of all the elements analyzed and 100 %. When all theelements in Table 1 are analyzed, their sum shall be as follows:TABLE 1 Chemical RequirementsCopperAlloyUNS No.Composition, %Copper,inclSilverNickel,inclCobaltLead,maxIron,maxManganese,maxZinc TinChro-miumOtherNamedElementsC70600 remainder 9.011.
26、0A0.05B1.01.8 1.0 1.0Bmax . .BC70620 86.5 min 9.011.0 0.02 1.01.8 1.0 0.50 max . .CC71000 remainder 19.023.0 0.05B1.0 max 1.0 1.0Bmax . .BC71500 remainder 29.033.0A0.05B0.401.0 1.0 1.0Bmax . .BC71520 65.0 min 28.033.0 0.02 0.401.0 1.0 0.50 max . .CC72200 remainder 15.018.0 0.05B0.501.0 1.0 1.0B. 0.3
27、00.70BC72500 remainder 8.510.5 0.05 0.6 0.2 0.5 max 1.82.8 .DC73500 70.573.5 16.519.5 0.09 0.25 max 0.50 remainder . . .C74000 69.073.5 9.011.0 0.05 0.25 max 0.50 remainder . . .C74500 63.566.5 9.011.0 0.09 0.25 max 0.50 remainder . . .C75200 63.566.5 16.519.5 0.05 0.25 max 0.50 remainder . . .C7620
28、0 57.061.0 11.013.5 0.09 0.25 max 0.50 remainder . . .C77000 53.556.5 16.519.5 0.05 0.25 max 0.50 remainder . . .ACopper plus elements with specific limits, 99.5 % min.BWhen the product is for subsequent welding applications and so specified by the purchaser, zinc shall be 0.50 % max, lead 0.02 % ma
29、x, phosphorus 0.02 % max, sulfur0.02 % max, and carbon 0.05 % max.CPhosphorus at 0.02 % max, sulfur at 0.02 % max, and carbon at 0.05 % max.DSilicon and titanium each at 0.03 % max.B122/B122M 112Copper Alloy UNS No.Copper Plus NamedElements, % minC70600 99.5C70620 99.5C71000 99.5C71500 99.5C71520 99
30、.5C72200 99.8C72500 99.87.2.2 For copper alloys for which zinc is specified as aremainder, either copper or zinc may be taken as the differencebetween the sum of all elements analyzed and 100 %. When allelements in Table 1 are analyzed, their sum shall be as follows:Copper Alloy UNS No.Copper Plus N
31、amedElements, % minC73500 99.5C74000 99.5C74500 99.5C75200 99.5C76200 99.5C77000 99.58. Temper8.1 As Hot-Rolled (M20) TempersThe standard temper ofsheet and plate produced by hot rolling and is as designated inTable 2.8.2 Cold Rolled (H) TempersThe standard tempers of coldrolled tempers are as desig
32、nated in Table 2 with the prefix “H.”Former designations and the standard designations as definedin Classification B601 are shown. Special or nonstandardtempers are subject to negotiation between manufacturer andpurchaser (See 5.1.2).8.3 Annealed TempersThe standard tempers are indicatedin Table 3.9
33、. Grain Size for Annealed Tempers9.1 Grain size shall be the standard requirement for allproducts in the annealed tempers.9.2 Acceptance or rejection based upon grain size shalldepend only on the average grain size of test specimens takenfrom each of two sampling portions and each specimen shall bew
34、ithin the limits prescribed in Table 3 when determined inaccordance with Test Methods E112.9.3 Grain size shall be determined on a plane parallel to theflat surfaces of the product.10. Mechanical Property Requirements10.1 Tensile Strength Requirements:10.1.1 Products ordered to this specification in
35、 inch-poundunits shall be tested in accordance with Test Methods E8 andshall conform to tensile strength requirements prescribed in ksiunits in Table 2.10.1.2 Products ordered to this specification in SI units shallbe tested in accordance with Test Methods E8M, and shallconform to tensile strength r
36、equirements prescribed in MPaunits in Table 2.10.1.3 Acceptance or rejection based on mechanical prop-erties shall depend only on the tensile strength.10.1.4 The tension test specimens shall be taken so thelongitudinal axis of the specimens is parallel to direction ofrolling.10.2 Rockwell Hardness:1
37、0.2.1 The approximate Rockwell hardness values given inTables 2 and 4 are for general information and assistance intesting and shall not be used as a basis for product rejection.NOTE 3The Rockwell hardness test offers a quick and convenientmethod of checking for general conformity to the specificati
38、on require-ments for temper, tensile strength, and grain size.11. Other Requirements11.1 Purchases for U.S. Government AgenciesWhenidentified in the contract or purchase order, product purchasedfor agencies of the U.S. government shall conform to thespecial government requirements stipulated in the
39、supplemen-tal requirements given in Specification B248.12. Dimensions, Mass, and Permissible Variations12.1 The inch-pound dimensions and tolerances for prod-ucts covered by this specification shall be as prescribed in thecurrent edition of Specification B248, and the SI dimensionsand tolerances cov
40、ered by this specification shall be as pre-scribed in the current edition of Specification B248M.12.2 ThicknessWhen special thickness tolerances forCopper Alloy UNS No. C72500 are required, see appropriatetable.12.3 Width:12.3.1 Slit Metal and Slit Metal with Rolled Edges.12.3.2 Square-Sheared Metal
41、.12.3.3 Sawed Metal.12.4 Length:12.4.1 Specific and Stock Lengths With and Without Ends.12.4.2 Schedule of Lengths (Specific and Stock) with Ends.12.4.3 Length Tolerances for Square-Sheared Metal.12.4.4 Length Tolerances for Sawed Metal.12.5 Straightness:12.5.1 Slit Metal or Slit Metal Either Straig
42、htened orEdge-Rolled.12.5.2 Square-Sheared Metal.12.5.3 Sawed Metal.12.6 Edges.12.6.1 Square Edges.12.6.2 Rounded Corners.12.6.3 Rounded Edges.12.6.4 Full-Rounded Edges.13. Workmanship, Finish and Appearance13.1 The product shall be free of defects, but blemishes ofa nature that does not interfere w
43、ith the intended applicationare acceptable.14. Sampling14.1 Chemical Analysis:14.1.1 The sample for chemical analysis shall be taken fromthe pieces selected and combined into one composite sample inaccordance with Practice E255 for product in its final form.The minimum weight of the composite sample
44、 shall be 150 g.14.1.2 Instead of sampling in accordance with PracticeE255, the manufacturer shall have the option of taking samplesat the time the castings are poured or by taking samples fromthe semifinished product.B122/B122M 113TABLE 2 Tensile Strength Requirements and Approximate Rockwell Hardn
45、ess Values for Rolled TempersNOTE 1Plate is generally available in only the as hotrolled (M20) tempers. Required properties for other tempers shall be agreed upon betweenmanufacturer and purchaser at the time of placing the order.Temper DesignationTensile Strength, ksiAMPaBApproximate Rockwell Hardn
46、essC,DStandard Former Min Max G Scale B ScaleSuperficial30-TCopper Alloy UNS No. C70600 and C70620M20 as hot-rolled 40 275 62 425 . . .H01 quarter hard 51 350 67 460 . 5178 5270H02 half hard 58 400 72 495 . 6681 6172H04 hard 71 490 83 570 . 7686 6774H06 extra hard 73 505 85 585 . 8088 7177H08 spring
47、 78 540 88 605 . 8391 7278Copper Alloy UNS No. C71000M20 as hot-rolled 38 260 56 385 . . .H01 quarter hard 47 325 63 435 . 4572 4665H02 half hard 56 385 70 485 . 6478 5969H04 hard 67 460 79 545 . 7684 6773H06 extra hard 72 495 84 580 . 7987 6975H08 spring 76 525 87 600 . 8288 7175Copper Alloy UNS No
48、. C71500 and C71520M20 as hot-rolled 45 310 65 450 . . .H01 quarter hard 58 400 72 495 . 6781 6171H02 half hard 66 455 80 550 . 7685 6774H04 hard 75 515 88 605 . 8389 7276H06 extra hard 80 550 92 635 . 8591 7377H08 spring 84 580 94 650 . 8791 7477Copper Alloy UNS No. C72200M20 as hot-rolled 42 290 6
49、2 425 . . .H01 quarter hard 55 380 67 460 . 6378 5870H02 half hard 58 400 72 495 . 6685 6173H04 hard 71 490 85 585 . 7688 6778H06 extra hard 73 505 90 620 . 7990 6978H08 spring 78 540 91 625 . 8191 7179Copper Alloy UNS No. C72500M20 as hot-rolled 50 345 70 485 . . .H01 quarter hard 55 380 75 515 . Up to 85 Up to 72H02 half hard 65 450 80 550 . 7090 6275H04 hard 75 515 90 620 . 759
