1.1 This specification establishes requirements for alloys whose copper alloy numbers and nominal compositions are shown in Table 1. The castings may be furnished as one of three types: static chill, centrifugal chill, or sand cast.
1.2 The values stated in inch-pound units are to be regarded as the standard. SI values given in parentheses are for information purposes only.
TABLE 1 Nominal Composition
| Copper Alloy UNS No. |
Previously Used Designation |
Composition, % | ||||
|---|---|---|---|---|---|---|
| Copper | Tin | Nickel | Lead | Phos- phorus |
||
| C90800 | A | 87.8 | 12.0 | … | 0 | 0.2 |
| C91700 | B | 86.3 | 12.0 | 1.5 | 0 | 0.2 |
| C90700 | … | 87.8 | 11.0 | … | 0 | 0.2 |
| C91600 | C | 88.0 | 10.3 | 1.5 | 0 | 0.2 |
| C92900 | D | 83.5 | 10.0 | 3.5 | 2.8 | 0.2 |
