SPECIFICATION FOR COPPER-NICKEL-ZINC ALLOY(NICKEL SILVER) AND COPPER-NICKEL ROD AND

BAR

SB-151

(Identical with ASTM Specification B 151-94)

1. Scope

1.1 This specification establishes the requirementsfor copper-nickel-zinc and copper-nickel rod and barfor general application produced from Copper AlloyUNS Nos. C70600, C71500, C74500, C75200, C75700,C76400, C77000, and C79200.

1.2 This specification is the companion to SI Specifi-cation B 151M; therefore, no SI equivalents are pre-sented in this specification.

NOTE 1 — Requirements for copper-nickel-zinc alloy wire appearin Specification B 206.

2. Referenced Documents

2.1 ASTM Standards:B 151M Specification for Copper-Nickel-Zinc (Nickel

Silver) and Copper-Nickel Rod and Bar (SI)B 206 Specification for Copper-Nickel-Zinc (Nickel Sil-

ver) and Copper-Nickel Alloy WireB 249 Specification for General Requirements for

Wrought Copper and Copper-Alloy Rod, Bar andShapes

B 601 Practice for Temper Designations for Copper andCopper Alloys — Wrought and Cast

E 3 Methods of Preparation of Metallographic SpecimensE 8 Test Methods for Tension Testing of Metallic Mate-

rialsE 75 Test Methods for Chemical Analysis of Copper-

Nickel and Copper-Nickel-Zinc AlloysE 76 Test Methods for Chemical Analysis of Nickel-

Copper AlloysE 112 Test Methods for Determining Average Grain Size

103

E 255 Practice for Sampling Copper and Copper Alloysfor Determination of Chemical Composition

E 478 Test Methods for Chemical Analysis of CopperAlloys

3. Ordering Information

3.1 The contract or purchase order for product underthis specification shall include the following infor-mation:

3.1.1 ASTM designation and year of issue (forexample, B 151-XX),

3.1.2Copper Alloy UNS No. designation (Section4 and Table 1),

3.1.3 Temper (Section 7 and Tables 2, 3, and 4),

3.1.4Form: cross section, such as round, hexagonal,square, etc. (Section 11),

3.1.5 Diameter or distance between parallel sur-faces (Section 11),

3.1.6Weight: total for each form, size, and temper,

3.1.7 When product is purchased for subsequentwelding application (Table 1, Footnote C),

3.1.8 When material is purchased for agencies ofthe U.S. Government (Section 10).

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SB-151 1998 SECTION II

TABLE 1CHEMICAL REQUIREMENTS

Composition % max (unless shown as range or min)

OtherCopper Alloy Copper, Nickel, Manganese, Named

UNS No. incl. Silver incl. Cobalt Lead Iron Max. Zinc Elements

C70600A 86.5 minB 9.0–11.0 0.05C 1.0–1.8 1.0 1.0C max C

C71500 65.0 minB 29.0–33.0 0.05C 0.40–1.0 1.0 1.0C max C

C74500 63.5–66.5 9.0–11.0 0.05 0.25 0.50 remainder . . .C75200 63.0–66.5 16.5–19.5 0.05 0.25 0.50 remainder . . .C75700 63.5–66.5 11.0–13.0 0.05 0.25 0.50 remainder . . .C76400 58.5–61.5 16.5–19.5 0.05 0.25 0.50 remainder . . .C77000 53.5–56.5 16.5–19.5 0.05 0.25 0.50 remainder . . .C79200 59.0–66.5 11.0–13.0 0.8–1.4 0.25 0.50 remainder . . .

A Phosphorus and sulfur content shall each be 0.02% max.B Copper plus elements with specific limits, 99.5% min.C When 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, sulfur 0.02% max, and carbon 0.05% max.

TABLE 2GRAIN SIZE REQUIREMENTS FOR OS (ANNEALED)

TEMPER ROD AND BAR

Copper Alloy Temper Grain Size, mmUNS No. Designation

Nominal Minimum Maximum

All alloys OS015 0.015 . . . 0.030All alloys OS035 0.035 0.025 0.050C74500, C75200, OS070 0.070 0.050 0.100

C75700, C76400,and C77000

3.2 The following options are available and shouldbe specified in the contract or purchase order whenrequired:

3.2.1 Heat identification or traceability detail,

3.2.2 Certification, and

3.2.3 Test report.

4. General Requirements

4.1 The following sections of Specification B 249are part of this specification:

4.1.1 Terminology,

4.1.2 Material and Manufacture,

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4.1.3 Workmanship, Finish and Appearance,

4.1.4 Sampling,

4.1.5 Specimen Preparation

4.1.6 Test Methods,

4.1.7 Inspection,

4.1.8 Certification,

4.1.9 Test Report,

4.1.10 Packaging and Package Marking.

4.2 An identical section in this specification supple-ments the referenced section.

5. Material and Manufacture

5.1 Material:

5.1.1 As specified in the contract or purchaseorder, the product furnished shall be produced fromCopper Alloy UNS No. C70600, C71500, C74500,C75200, C75700, C76400, C77000, or C79200.

6. Chemical Composition

6.1 The product material composition shall conformto the requirements prescribed in Table 1 for the CopperAlloy UNS No. designation specified in the contractor purchase order.

PART B — NONFERROUS MATERIAL SPECIFICATIONS SB-151

TABLE 3TENSILE REQUIREMENTS FOR COPPER-NICKEL-ZINC ALLOY ROD AND BAR

Tensile Strength, ksiA

Copper Alloy UNSCopper Alloy UNS Nos. C74500,Nos. C75200 and C75700, C76400,

Diameter or Distance C79200 and C77000Temper Between Parallel

Designation Surfaces, in. Min Max Min Max

Rod:round

H01 0.02 to 0.50, incl 60 80 75 95

Rod:round, hexagonal,

octagonalH04 0.02 to 025, incl 80 100 90 110

Over 0.25 to 0.50, incl 70 90 80 100Over 0.50 to 1.0, incl 65 85 75 95Over 1.0 60 80 70 90

Bar:square, rectangular

all sizes 68 88 75 95

A 1 ksi p 1000 psi.

6.1.1 These specification limits do not precludethe presence of other elements. Limits may be estab-lished and analysis required for unnamed elements byagreement between the manufacturer and the purchaser.

6.2 For copper alloys in which zinc is specified asthe remainder, zinc may be taken as the differencebetween the sum of results for all elements determinedand 100%.

6.3When all elements listed in Table 1 for a specifiedalloy are determined, the sum of results shall be 99.5%minimum.

7. Temper

7.1 Tempers available under this specification andas defined in Practice B 601 are: O60, OS035, OS070,H01, and H04.

NOTE 3 — The purchaser should confer with the manufacturer orsupplier concerning the availability of a specific form and temper.

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8. Grain Size Requirements

8.1 Grain Size:

8.1.1 Product in the OS temper shall conform tothe requirement prescribed in Table 2 for the specifiedcopper alloy and temper.

8.1.2 Grain size shall be the basis for acceptanceor rejection for OS temper product produced fromCopper Alloy UNS Nos. C74500, C75200, C75700,C76400, C77000, and C79200.

9. Mechanical Properties Requirements

9.1 Tensile Requirement:

9.1.1 Copper-Nickel-Zinc Alloys UNS Nos.C74500, C75200, C75700, C76400, C77000, andC79200, in tempers H01 and H04 shall conform tothe requirement prescribed in Table 3 for the specifiedshape and size and the tensile strength shall be thebasis of acceptance or rejection for product in thesetempers.

9.1.2 Copper-Nickel Alloys UNS Nos. C70600and C71500 in tempers H01, H04, and O60 shall

SB-151 1998 SECTION II

TABLE 4TENSILE REQUIREMENTS FOR COPPER-NICKEL ALLOY ROD AND BAR

TensileStrength Yield Strength at 0.5% Elongation in 4×

Temper min, Extension Under Load, Diameter or ThicknessDesignation Diameter or Distance Between Parallel Surfaces, in. ksiA min, ksiA of Specimen, min, %A

Copper Alloy UNS No. C70600

O60 round, hexagonal, and octagonal rods all sizes 38 15 30and square bars

H04 round, hexagonal, and octagonal rods up to 3⁄8, incl 60 38 10and square bars

over 3⁄8 to 1, incl 50 30 15over 1 to 3 40 15 30

O60 rectangular bars and shapes all sizes 38 15 30

For Thicknesses

H04 rectangular bars up to 3⁄8, incl 55 30 10over 3⁄8 to 1⁄2, incl 50 28 12over 1⁄2 to 3 40 17 20

H04 shapes all sizes (As agreed between manufacturer or supplier and puchaser)

Copper Alloy UNS No. C71500

O60 round, hexagonal, and octagonal rods up to 1⁄2, incl 52 18 30and square bars

over 1⁄2 to 1, incl 48 18 30over 1 45 18 30

H01 round, hexagonal, and octagonal rods up to 1⁄2, incl 65 50 10and square bars

over 1⁄2 to 1, incl 60 45 15over 1 to 3, incl 55 35 20

H04 up to 1⁄2, incl 80 60 8over 1⁄2 to 1, incl 75 58 10over 1 to 2, incl 70 55 10

O60 rectangular bars and shapes all sizes 45 15 30

For Thicknesses

H04 rectangular bars up to 1⁄2, incl 75 55 7over 1⁄2 to 1, incl 70 50 10

H04 shapes all sizes (As agreed between manufacturer or supplier and puchaser)

A ksi p 1000 psi.B In any case, a minimum gage length of 1 in. shall be used.

conform to the requirement prescribed in Table 4 forthe specified shape and size and tensile properties shallbe the basis of acceptance or rejection for all tempers.

10. Purchases for U.S. Government

10.1 When specified in the contract or purchaseorder, product purchased for agencies of the U.S.Government shall conform to the special governmentregulations specified in the Supplemental Requirementssection.

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11. Dimensions, Mass, and PermissibleVariations

11.1 The following titled sections and tables inSpecification E 249 are a part of this specification.

11.1.1 Diameter or Distance Between ParallelSurfaces:

11.1.1.1Rod: Round, Hexagonal, Octagonal —Table 2.

PART B — NONFERROUS MATERIAL SPECIFICATIONS SB-151

11.1.1.2Bar: Rectangular and Square — Tables9 and 11.

11.1.2 Length — Tables 12 and 14.

11.1.3 Straightness — Table 15.

11.1.4 Edge Contours.

12. Number of Tests and Retests

12.1 Tests:

12.1.1 Chemical Analysis:

12.1.1.1 Chemical composition shall be deter-mined as the per element mean of results from at leasttwo replicate determinations of the sample(s) and theresults of each replication shall conform to composi-tional requirements.

12.1.2 Other Tests:

12.1.2.1Grain size and tensile properties shallbe determined from specimens prepared from each oftwo sample pieces selected for tests and each specimenshall conform to test requirement(s).

12.2 Retests:

12.2.1 When requested by the manufacturer orsupplier, a retest may be permitted when test resultsobtained by the purchaser fail to conform with theproduct specification requirements(s).

12.2.2Retesting shall be as directed in the productspecification for the initial test except for the numberof test specimens which shall be twice that normallyrequired for the test. Test results for all specimensshall conform to the product specification requirement(s)in retest and failure to comply shall be cause for lotrejection.

13. Test Methods

13.1 The test method(s) used for quality control orproduction control, or both, for the determination ofconformance with product property requirements arediscretionary.

13.1.1 The test method(s) used to obtain data forthe preparation of certification or test report, or both,shall be made available to the purchaser on request.

13.2 Chemical Analysis:

13.2.1Chemical composition shall be determined,in case of disagreement, as follows:

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Element Range, % Method

Copper 53–90 E 478Iron 0.02–8 E 75Lead 0.05–1.5 E 478 (AA)Manganese 0.05–1.0 E 75Nickel 8–34 E 478 (Gravimetric)Zinc 0–1.0 E 478 (AA)Zinc 2–40 E 478 (Titrimetric)

14. Rejection and Rehearing

14.1 Rejection:

14.1.1Product that fails to conform to the require-ments of the product specification may be rejected.

14.1.2Rejection shall be reported to the manufac-turer or supplier, promptly and in writing.

14.1.3 In case of disagreement or dissatisfactionwith the results of the test upon which rejection wasbased, the manufacturer or supplier may take claim fora rehearing.

14.2 Rehearing:

14.2.1As a result of product rejection, the manufac-turer or supplier may make claim to the purchaser forretest to be conducted by the manufacturer or supplierand the purchaser. Samples of the rejected product shallbe taken in accordance with the product specificationand tested by both parties as directed in the productspecification, or, alternatively, upon agreement by bothparties, an independent laboratory may be selected forthe tests using the test methods prescribed in the productspecification.

15. Keywords

15.1 copper alloy bar; copper alloy rod; copper-nickel alloy bar; copper-nickel alloy rod; copper-nickel-zinc alloy bar; copper-nickel-zinc alloy rod; cupronickelbar; cupronickel rod; nickel silver bar; nickel silverrod; UNS C70600 bar; UNS C71500 bar; UNS 74500bar; UNS 75200 bar, UNS C75700 bar; UNS C76400bar; UNS C77000 bar; UNS C79200 bar; UNS C70600rod; UNS C71500 rod; UNS C74500 rod; UNS C75200rod, UNS C75700 rod; UNS C76400 rod; UNS C77000rod; UNS C79200 rod