ALLOY 31 Nickel Alloy
ALLOY 31 (UNS N08031) Is a high-performance austenitic stainless steel, falling into the category of super austenitic alloys. It is renowned for its excellent corrosion resistance, good mechanical properties, and processability, and is widely used in harsh corrosive environments.Chemical
Composition
|
|
Ni |
P |
Si |
Mn |
C |
S |
Fe |
Cr |
Cu |
N |
Mo |
|
Min |
30 |
- |
- |
- |
- |
- |
Rem |
26 |
1 |
0.15 |
6 |
|
Max |
32 |
0.02 |
0.3 |
2 |
0.015 |
0.01 |
Rem |
28 |
1.4 |
0.25 |
7 |
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% |
|
8.1 |
1350-1400 |
650 |
270 |
40 |
Standards
ASTM B511 ASTM B512
Feature
Omnipotent corrosion-resistant alloy:
1. Outstanding corrosion resistance in halide media (both acidic and alkaline)
2. Exceptional corrosion resistance in sulfuric acid at all concentrations
3. Superior corrosion and erosion resistance in phosphoric acid media
4. Excellent resistance to localized and uniform corrosion in chlorine dioxide bleach environments
5. Superior corrosion resistance in both reducing and oxidizing atmospheres
6. Excellent fabricability and weldability
7. Certified for pressure vessel fabrication with wall temperatures from -196~450°C
Applications
Chemical, environmental, marine, food, aerospace, medical
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