Monel 400 Nickel Copper Alloy Steel Strip, Plate, Strip UNS N04400 ASTM B127
Monel 400 is a Nickel-Copper alloy with high strength and toughness and remains ductile
even at subzero temperatures. Age-hardening treatments are not required to obtain the
high strength properties of Monel 400 because it is a solid-solution alloy that is hardened
only through cold working. The alloy is resistant to corrosion in many reducing environments,
offering excellent corrosion resistance in seawater, hydrofluoric acid, sulfuric acid, and hydrochloric acid.
Monel 400 also shows resistance to stress corrosion cracking and pitting in fresh water,
is resistant to oxidization and can operate from cryogenic temperatures to 500°F (260°C).
Chemical composition %
| Ni | Cu | Fe | Mn | C | Si | S |
| 63 min. | 28.0~34.0 | 2.5 max. | 2.0 max. | 0.3 max. | 0.5 max. | 0.024 max. |
Applications
Valves, pumps, seals, springs, heat exchangers
Form of supply
Monel 400, UNS N04400 Alloy plate, sheet, strip in hot rolled, cold rolled
AMS 4544, ASME SB-127, ASTM B127, QQ-N-281
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