Incoloy 925 Nickel Alloy
INCOLOY 925（UNS N09925）is a nickel-iron-chromium based precipitation-hardening alloy, specifically designed for harsh corrosive environments and medium-to-high temperature working conditions. It combines excellent corrosion resistance with high strength and is widely used in oil and gas extraction, marine engineering and other fields.
Chemical Composition
|
|
Ni |
C |
Si |
Mn |
S |
Cr |
Fe |
Co |
Mo |
Cu |
N |
P |
|
Min |
42 |
- |
- |
- |
- |
19.5 |
22 |
- |
2.5 |
1.5 |
0.15 |
- |
|
Max |
46 |
0.003 |
0.5 |
1 |
0.03 |
22.5 |
- |
1 |
3.5 |
3 |
0.25 |
0.03 |
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% |
|
8.14 |
1311-1366 |
965 |
724 |
18 |
Standards
ASTM B511 ASTM B512
Feature
Mechanical strength + broad corrosion resistance
Applications
• Sour gas well equipment
• Chemical steam generators
• Deep-sea pipeline systems
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