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Homepage>ASTM Standards>ASTM B0122_B0122M-20 - Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar
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Released: 2020-10-13

ASTM B0122_B0122M-20

Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar

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Language:English
Released:2020-10-13
Pages:6
Standards number:ASTM B0122_B0122M-20
Standard number:B0122_B0122M-20
Released:01.10.2020
Status:Active
Pages:6
Section:02.01
Keywords:copper-nickel plate; copper-nickel rolled bar; copper-nickel sheet; copper-nickel strip; copper-nickel-tin plate; copper-nickel-tin rolled bar; copper-nickel-tin sheet; copper-nickel-tin strip; copper-nickel-zinc plate; copper-nickel-zinc rolled bar; copper-nickel-zinc sheet; copper-nickel-zinc strip; UNS No. C70600; UNS No. C70620; UNS No. C71000; UNS No. C71500; UNS No. C71520; UNS No. C72200; UNS No. C72500; UNS No. C73500; UNS No. C74000; UNS No. C74500; UNS No. C75200; UNS No. C76200; UNS No. C77000;
DESCRIPTION

1.1 This specification establishes the requirements for copper-nickel-tin alloy, copper-nickel-zinc alloy (nickel silver), and copper-nickel alloy plate, sheet, strip, and rolled bar. The following alloys are covered:

 

 

Nominal Composition, %

Copper Alloy

Previously Used

 

 

 

 

Chro-

UNS No.2

Designation

Copper

Nickel

Zinc

Tin

mium

 

C70600

...

90

10

...

...

...

C70620

...

90

10

...

...

...

C71000

6

80

20

...

...

...

C71500

5

70

30

...

...

...

C71520

...

70

30

...

...

...

C72200

...

85

15

...

...

0.5

C72500

...

89

 9

...

2

...

C73500

1

72

18

10

...

...

C74000

9

70

10

20

...

...

C74500

3

65

10

25

...

...

C75200

2

65

18

17

...

...

C76200

8

59

12

29

...

...

C77000

4

55

18

27

...

...

Note 1: Plates of copper-nickel alloy Copper Alloy UNS Nos. C70600, C70620, C71500, C71520, and C72200 for use as tube plates in surface condensers and heat exchangers are covered by Specification B171/B171M.

1.2 Units—The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.