Incoloy 901 Nickel Alloy
Incoloy 901（UNS N09901） is an austenitic age-hardening alloy based on Fe-43Ni-12Cr, with the addition of titanium, aluminum and equivalent strengthening elements, as well as trace amounts of boron and low carbon content. It is 弥散 - strengthened by the metastable γ"[Ni3 (Ti, Al)] phase, and the trace aluminum can inhibit the transformation of γ" to the η-Ni3Ti phase.
Chemical Composition
|
|
Ni |
C |
Si |
Mn |
S |
Cr |
Fe |
Co |
Mo |
Ti |
|
Min |
40 |
- |
- |
- |
- |
11 |
Rem |
- |
5 |
2.8 |
|
Max |
45 |
0.1 |
0.4 |
0.5 |
0.03 |
14 |
Rem |
1 |
6.5 |
3.1 |
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 |
1280-1345 |
1200 |
862 |
15 |
Standards
ASTM B511 ASTM B512
Feature
High yield/rupture strength (≤650°C), oxidation resistance (≤760°C)
Applications
Alloy N09901 in:
• Engine hot sections
• Petrochemical valves
• Nuclear pressure vessels
• Chemical reactors
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