
Monel 400® is a nickel-copper alloy that is hardened by cold working only. Monel 400® has low corrosion rate in flowing seawater. High Temperature Nickel Copper Alloy. Monel Alloy 400 is a high temperature alloy with typical composition of 67% Nickel & 23% Copper. Monel 400 Forgings are precipitation hardening fasteners manufactured from copper nickel alloy with addition of titanium and aluminium.
ASTM B127 – Plate, sheet & strip
| Nickel | Copper | Iron | Manganese | Silicon | Carbon | Sulphur (Monel 400) | Sulphur (Monel R-405) |
| 63.0 min | 28.0-34.0 | 2.5 max | 2.0 max | 0.5 max | 0.3 max | 0.024 max | 0.025-0.060 |
| Country | Body | Grade |
| USA | UNS | N04400 |
| France | AFNOR | NU30 |
| GB | BS | NA13 |
| Germany | DIN | 2.4360, 2.4361 |