Monel 400 Nickel Alloy
Monel 400（UNS N04400） is a nickel-based alloy material with good corrosion resistance in seawater, chemical solvents, ammonia-sulfur-chlorine, hydrogen chloride, various acidic media such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, organic acids, alkaline media, salts and molten salts.
Chemical Composition
|
|
Ni |
C |
Si |
Mn |
Fe |
S |
Cu |
|
Min |
63 |
- |
- |
- |
- |
- |
28 |
|
Max |
- |
0.3 |
0.5 |
2 |
2.5 |
0.024 |
34 |
Material Properties
|
Density |
Melting Point |
Minimum Mechanical Properties of the Alloy at Room Temperature |
||
|
Tensile Strength |
Yield Strength |
Elongation |
||
|
g/cm3 |
℃ |
Rm N/mm2 |
Rp0.2 N/mm2 |
A5% |
|
8.83 |
1300-1390 |
480 |
170 |
35 |
Standards
ASTM B511 ASTM B512
Feature
Superior corrosion resistance to HF/F₂/hot alkalis, neutral solutions/seawater/atmosphere; resists SCC with good machinability
Applications
Corrosion-resistant tubing for:
• Power plant water conveyance
• Seawater evaporators
• Deep-sea pump shafts
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