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UNS S31803
ASTM A812
Duplex Stainless Steel
Base Element Fe (Iron)
| Element | Min | Max | |
|---|---|---|---|
| C (carbon) | 0.03% | ||
| Cr Chromium) | 21% | 23% | |
| Mn (manganese) | 2% | ||
| Mo (molybdenum) | 2.5 | 3.5% | |
| N (Nitrogen) | 0.08% | 0.2% | |
| Ni (Nickel) | 4.5% | 6.5% | |
| P (Phosphorus) | 0.03% | ||
| S (Sulphur) | 0.02% | ||
| Si(Silicon) | 1% |
| Mechanical Properties | Min | Max |
|---|---|---|
| Ultimate Tensile Strength (UTS) | 620 MPa | |
| Yield Strength | 420 MPa | |
| Elongation | 25% | |
| Hardness(Brinell) | 290HS | |
| Reduction of Area | 45% |
Uses
Bolting
Commonly used in the Paramedical and biotechnological industries in chloride pitted environments, for its corrosion resistance.
Used in boilers and pressure vessels
Disclaimer:
Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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