1.1 ,This specification establishes the requirements for specified copper-zinc-tin alloys and copper-zinc-tin-iron-nickel alloys plate, sheet, strip, and rolled bar. The alloys and nominal compositions are as follows:
| Copper Alloy | Copper, | Tin, | Zinc, | Phos., | Iron, | Nickel, |
| , | , | , | , | , | , | , |
| C40500 | 95 | 1 | 4 | , | , | , |
| C40810 | 95.5 | 2.0 | 2.2 | 0.03 | 0.1 | 0.15 |
| C40850 | 95.5 | 3.0 | 1.3 | 0.1 | 0.1 | 0.1 |
| C40860 | 94.8 | 2.0 | 3 | 0.03 | 0.03 | 0.1 |
| C41100 | 91 | 0.5 | 8.5 | , | , | , |
| C41300 | 91 | 1 | 8 | , | , | , |
| C41500 | 91 | 2 | 7 | , | , | , |
| C42200 | 87 | 1 | 12 | , | , | , |
| C42500 | 88 | 2 | 10 | , | , | , |
| C42520 | 89.8 | 2.0 | 8 | 0.1 | 0.1 | 0.1 |
| C43000 | 85 | 2 | 13 | , | , | , |
| C43400 | 85 | 0.7 | 14.3 | , | , | , |