1.1This specification establishes requirements for copper alloy2 permanent mold castings for general applications. Nominal compositions of the alloys under this specification are shown in Table 1.
|
Classification |
Copper Alloy UNS No. |
Nominal Composition |
||||||||
|
Copper |
Aluminum |
Iron |
Manganese |
Nickel (incl Cobalt) |
Silicon |
Lead |
Zinc |
Tin |
||
|
Yellow brass |
C85470A |
62.5 |
0.5 |
. . . |
. . . |
. . . |
. . . |
. . . |
34.3 |
2.5 |
|
Silicon brass |
C87500 C87800 |
82.0 82.0 |
… … |
… … |
… … |
… … |
4.0 4.0 |
… … |
14.0 14.0 |
… … |
|
C87850B |
76.0 |
. . . |
. . . |
. . . |
. . . |
3.0 |
. . . |
20.9 |
. . . |
|
|
Lead-free yellow brassC |
C89540 |
61.0 |
0.40 |
0.30 |
… |
0.5 |
… |
… |
36.0 |
0.8 |
|
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 |
… … |
… … |
… … |
… … |
1.2The 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.
