黄铜 CuZn5 | CW500L | CuZn5 | 2.0220
符合各种标准的黄铜标记：
| ISO: | CuZn5 |
| EN: | CW500L |
| DIN: | CuZn5 |
| Wnr: | 2.0220 |
| NFA FR | CuZn5 |
| UNS USA | C21000 |
| BS GP old | CZ125 |
| PN | M95 |
化学成分（根据 EN 1652 / EN 12164）：
| CuZn5 | |
| Cu [%] | 94-96 |
| Al [%] | ≤0,02 |
| Fe [%] | ≤0,05 |
| Ni [%] | ≤0,3 |
| P [%] | - |
| Pb [%] | ≤0,05 |
| Sn [%] | ≤0,1 |
| Si [%] | - |
| As [%] | - |
| Mn [%] | - |
| Sb [%] | - |
| Zn [%] | reszta |
| 其他 [%] | ≤0,1 |