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Standard Specification for Copper Alloy Permanent Mold Castings for General Applications
1.1 This specification establishes requirements for copper alloy permanent mold castings for general applications. Nominal compositions of the alloys under this specification are shown in Table 1.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
TABLE 1 Nominal Composition
| Classification | Copper Alloy UNS No. | Nominal Composition | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Copper | Aluminum | Iron | Manganese | Nickel (incl Cobalt) | Silicon | Lead | Zinc | Tin | ||
| Aluminum bronze | C95300 C95400 C95410 | 89.0 85.0 84.0 | 10.0 11.0 10.0 | 1.0 4.0 4.0 | ... ... ... | ... ... 2.0 | ... ... ... | ... ... ... | ... ... ... | ... ... ... |
| Nickel aluminum bronze | C95500 C95800 | 81.0 81.3 | 11.0 9.0 | 4.0 4.0 | ... 1.2 | 4.0 4.5 | ... ... | ... ... | ... ... | ... ... |
| Silicon brass | C87500 C87800 | 82.0 82.0 | ... ... | ... ... | ... ... | ... ... | 4.0 4.0 | ... ... | 14.0 14.0 | ... ... |
| C87850A | 76.0 | . . . | . . . | . . . | . . . | 3.0 | . . . | 20.9 | . . . | |
| Lead-free yellow brassB | C89540 | 61.0 | 0.40 | 0.30 | ... | 0.5 | ... | ... | 36.0 | 0.8 |
A Phosphorus 0.12.
B Bismuth 0.9; selenium 0.03.
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