ASTM-B122 › 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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Scope
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:
| Previously | ||||||
| Copper Alloy | Used | Nominal Composition, % | ||||
| UNS No. | Designation | |||||
| Copper | Nickel | Zinc | Tin | Chro-mium | ||
| C70600 | ... | 90 | 10 | ... | ... | ... |
| C70620 | ... | 86 | 10 | ... | ... | ... |
| C71000 | 6 | 80 | 20 | ... | ... | ... |
| C71500 | 5 | 70 | 30 | ... | ... | ... |
| C71520 | ... | 65 | 31 | ... | ... | ... |
| C72200 | ... | 85 | 15 | ... | ... | 0.5 |
| C72500 | ... | 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 | 55 | 18 | 27 | ... | ... |
1.2 The values stated in either inch-pound units of SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
1.2.1 When the product is ordered in inch-pound units, the inch-pound units are to be regarded as the standard except grain size is always specified in millimetres.
1.2.2 When the product is ordered in SI units, the SI units are to be regarded as the standard.
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; ICS Number Code 77.150.30 (Copper products)
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02.01 (Copper and Copper Alloys)
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Document Number
ASTM-B0122_B0122M-20
Revision Level
2020 EDITION
Status
Current
Modification Type
Revision
Publication Date
Oct. 13, 2020
Document Type
Specification
Page Count
6 pages
Committee Number
B05.01