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ASTM B122/B122M-16
- Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar
- standard by ASTM International, 04/01/2016
- Publisher: ASTM
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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:
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| Nominal Composition, % | ||||
Copper Alloy | Previously Used |
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| 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 | ... | ... |