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Monel 400 is a kind of the most consumable, useful and excellent comprehensive performance corrosion resistant alloy. The alloy has excellent corrosion resistance in hydrofluoric acid and fluorine gas medium, as well as in the hot strong alkali. It is also resistant to neutral solution, water and sea water, atmosphere, organic compounds. An important feature of the alloy is generally not produce stress corrosion crack.
Similar alloy's names in different standards:
Beiye designation | China Standard designation | American designation | German designation |
Monel 400 | MCu-28-1.5-1.8 | N04400 | NiCu30Fe |
Marine heat exchanger
Sea water desalting equipment
Equipment for salt refining
Ocean and chemical processing equipment
Propeller shaft and pump
C | 0.10 | Mn | 1.00 |
Si | 0.50 | Fe | 1.50 |
Cu | 31.50 | Ni | bal. |
Soft | Hard | |
| Hardness | 68 HRB | 102HRB |
Yield Strength | 298 MPa (43.3 ksi) | 692 MPa (100.4 ksi) |
Tensile Strength | 551 MPa (80 ksi) | 792MPa (115 ksi) |
Elongation | 40% | 8% |
* Typical values for material tested in accordance with GB/T 4340.3, GB/T 228, GB/T 22315.
| Density | 8.83 g/cm3 (0.319lb/in3) | ||
Melting Point | 1330 ℃ (2426oF) | ||
Thermal Conductivity (20℃) | 21.8 W/m •℃ | ||
Thermal Expansion | 14×10-6 | ||
In-process annealing: To relieve all strains and restore the alloy to a soft condition suitable for further cold rolling or drawing, forming, bending or similar operations, anneal at 1050~1080℃ for 1 hour.
Solution heat treatment: 1050℃, WQ.
