Stainless Steel
Austenitic 310/310S/310H

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Specifications (ASTM/ASME)
Alloy UNS Designation Material
Specification
Tubing
Specification
Pipe
Specification
310/310S1 S31000/S310081 A 240/SA-240 A 249/SA-249 A 312/SA-312
      A 554 ---
310H S31009 A 240/SA-240 A 249/SA-249 A 312/SA-312

1 Supplied as dual certified material.

Chemical Composition (%)
Alloy 310 310S 310H
UNS Designation S31000 S31008 S31009
Carbon (C)  0.25 max. 0.08 max. 0.04 - 0.10
Manganese (Mn) max. 2.00 2.00 2.00
Phosphorus (P) max. 0.045 0.045 0.045
Sulfur (S) max. 0.030 0.030 0.030
Silicon (Si) max. 1.50 1.50 0.75
Chromium (Cr) 24.0 - 26.0 24.0 - 26.0 24.0 - 26.0
Nickel (Ni) 19.0 - 22.0 19.0 - 22.0 19.0 - 22.0
Molybdenum (Mo) max. --- 0.75 ---
Iron (Fe) Balance Balance Balance
Typical Physical & Mechanical Properties - Annealed Condition (Room Temperature)
Alloy UNS Designation Minimum Tensile Strength
Minimum Yield
Strength
0.2% Offset
Minimum Percent (%)
Elongation in
2 inches (50.8 mm)
(psi) (MPa) (psi) (MPa)
310 S31000 --- --- --- --- ---
310S S31008 75,000 515 30,000 205 35
310H S31009 75,000 515 30,000 205 35

 

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