1、Designation: B 122/B 122M 08Standard 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 B 122/B 122M; the number immediately following the designation indica
2、tes 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 (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of
3、the Department 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,U
4、NS No.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 . .C77
5、000 4 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 SpecificationB 171/B 171M.1.2 The values stated in either inch-pound units of SI unitsare to be regarde
6、d separately 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 Whe
7、n the product 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:3B 171/B 17
8、1M Specification for Copper-Alloy Plate andSheet for Pressure Vessels, Condensers, and Heat Ex-changersB 248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate, Sheet, Strip, and RolledBarB 248M Specification for General Requirements forWrought Copper and Copper-Alloy Pl
9、ate, Sheet, Strip, andRolled Bar MetricB 601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB 846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic Mate-rials Metric4E11
10、2 Test Methods for Determining Average Grain SizeE 255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE 478 Test Methods for Chemical Analysis of CopperAlloysE 527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)3. General Requ
11、irements3.1 The following sections of Specification B 248 constitutea part of this specification: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 approved Apr
12、il 1, 2008. Published April 2008. Originallyapproved in 1939. Last previous edition approved in 2006 as B 122/B 122M 06.2The UNS system for copper and copper alloys (see Practice E 527) is a simpleexpansion of the former standard designation system accomplished by the additionof a prefix “C” and a s
13、uffix “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 information, refer to the standards Document Sum
14、mary page onthe ASTM website.4Withdrawn.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.1 TerminologyDefinitions,3.1.2 Materials and Manufacturing,3.1.3 Workmanshi
15、p, 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 Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Test Rep
16、orts (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 containsadditional requirements, which supplement those appearing inSpecification B 248.4. Terminol
17、ogy4.1 DefinitionsFor standard terms related to copper andcopper alloys, refer to Terminology B 846.5. Ordering Information5.1 Orders for products under this specification shouldinclude the following information:5.1.1 ASTM designation and year of issue (B 122/B 122M XX),5.1.2 Copper (alloy) UNS numb
18、er 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 roundededges,5.1.6 How furnished: flat or rolls,5.1.7 Length (see Section 12), and5.1.8 Weight:
19、 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 B 248 when specifiedin the contract or purchase order.6. Materials and Manufacture6.1 Material:6.1.1 The material of manu
20、facture 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 information.6.1.2 In the event that heat identification or traceability isrequired, the pur
21、chaser 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 specific quantity of finished material.6.2 Manufacture:6.2.1 The product shall be manufactur
22、ed 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 annealed, when required, to meet thetemper properties specified in the ordering informatio
23、n.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 These specification limits do not preclude the presenceof other elements. Limits may be es
24、tablished 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 thesum of all the elements analyzed and 100 %. When all theelements in Table 1 are analyzed, the
25、ir sum shall be as follows:TABLE 1 Chemical RequirementsCopperAlloyUNS No.Composition, %Copper,inclSilverNickel,inclCobaltLead,maxIron,maxManganese,maxZinc TinChro-miumOtherNamedElementsC70600 remainder 9.011.0A0.05B1.01.8 1.0 1.0Bmax . .BC70620 86.5 min 9.011.0 0.02 1.01.8 1.0 0.50 max . .CC71000 r
26、emainder 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. 0.300.70BC72500 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
27、0.25 max 0.50 remainder . . .C74000 69.073.5 9.011.0 0.10 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 . . .C76200 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 ma
28、x 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 % max, phosphorus 0.02 % max, sulfur0.02 % max, and carbon 0.05 % max.CPhosphorus at 0.02 % max
29、, sulfur at 0.02 % max, and carbon at 0.05 % max.DSilicon and titanium each at 0.03 % max.B 122/B 122M 082Copper Alloy UNS No.Copper Plus NamedElements, % minC70600 99.5C70620 99.5C71000 99.5C71500 99.5C71520 99.5C72200 99.8C72500 99.87.2.2 For copper alloys for which zinc is specified as aremainder
30、, 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 NamedElements, % minC73500 99.5C74000 99.5C74500 99.5C75200 99.5C76200 99.5C77000 99.58. T
31、emper8.1 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 designated in Table 2 with the prefix “H.”Former designations and the standard designations as
32、 definedin Classification B 601 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. Grain Size for Annealed Tempers9.1 Grain size shall be the standard requirement for al
33、lproducts 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 bewithin the limits prescribed in Table 3 when determined inaccordance with Test Methods E
34、112.9.3 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 inch-poundunits shall be tested in accordance with Test Methods E8andshall conform to
35、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 requirements prescribed in MPaunits in Table 2.10.1.3 Acceptance or rejection based on me
36、chanical 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:10.2.1 The approximate Rockwell hardness values given inTables 2 and 4 are for general in
37、formation 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 specification require-ments for temper, tensile strength, and grain size.11. Other Requirements11.1
38、 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 supplemen-tal requirements given in Specification B 248.12. Dimensions, Mass, and Permis
39、sible Variations12.1 The inch-pound dimensions and tolerances for prod-ucts covered by this specification shall be as prescribed in thecurrent edition of Specification B 248, and the SI dimensionsand tolerances covered by this specification shall be as pre-scribed in the current edition of Specifica
40、tion B 248M.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.12.3.3 Sawed Metal.12.4 Length:12.4.1 Specific and Stock Lengths With and Without En
41、ds.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 Straightened orEdge-Rolled.12.5.2 Square-Sheared Metal.12.5.3 Sawed Metal.12.6 Edges.12.6.1
42、 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 with the intended applicationare acceptable.14. Sampling14.1 Chemical Analysis:14.1.1
43、The sample for chemical analysis shall be taken fromthe pieces selected and combined into one composite sample inaccordance with Practice E 255 for product in its final form.The minimum weight of the composite sample shall be 150 g.14.1.2 Instead of sampling in accordance with PracticeE 255, the man
44、ufacturer shall have the option of takingsamples at the time the castings are poured or by takingsamples from the semifinished product.B 122/B 122M 083TABLE 2 Tensile Strength Requirements and Approximate Rockwell Hardness Values for Rolled TempersNOTE 1Plate is generally available in only the as ho
45、trolled (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 HardnessC,DStandard Former Min Max G Scale B ScaleSuperficial30-TCopper Alloy UNS No.
46、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 78 540 88 605 . 8391 7278Copper Alloy UNS No. C71000M20 as hot-rolled 38 260 56
47、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. C71500 and C71520M20 as hot-rolled 45 310 65 450 . . .H01 quarter hard 58 400 7
48、2 495 . 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 62 425 . . .H01 quarter hard 55 380 67 460 . 6378 5870H02 half hard 58 400 72 495
49、. 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 . 7590 6675H06 extra hard 80 550 95 655 . 8095 7080H08 spring 85 585 100 69
