C4621
Naval Brass
Alloy Number：JIS C4621
Corresponding Material：ASTM C46200
Substance：
| Gwo Chern Code | Cu | Pb | Fe | Sn | Ni | Al | Si | Bi | Mn | P | Others |
| 46A | 61.0-64.0 | ≦0.20 | ≦0.10 | 0.7-1.5 | ─ | ─ | ─ | ─ | ─ | ─ | ─ |
Have excellent marine-water resistance and is used in vessel components and axis.