Monel 400 has corrosion resistant properties against flowing sea-water and is extensively used for marine applications. Alloy 400 is also extremely resistant to stress corrosion cracking in most freshwaters. Alloy 400 is used in steam generators, feedwater heaters, cladding of offshore installations, pump and propeller shafts, marine fixtures and fasteners, also chemical processing equipments.
Monel 400 Specification
| UNS | W.Nr |
| N04400 | 2.4360 |
Monel 400 Chemical composition
| Grade | % | Ni | Cu | Fe | C | Mn | Si | S |
| 400 | Min | Bal. | 28 | |||||
| Max | 34 | 2.5 | 0.3 | 2 | 0.5 | 0.024 |
Monel 400 Mechanical properties: (Minimum value at 20℃)
| Tensile Strength
σb/MPa |
Yield Strength
σp0.2/MPa |
Elongation
σ5 /% |
| 480 | 170 | 35 |
Monel 400 Standard
| Bar | Forging | Sheet/Strip | Wire | Pipe |
| ASTM B164 | ASTM B564 | ASTM B127 | ASTM B164 | ASTM B165
ASTM B725 |
