Stainless Steel
Austenitic 317/317L

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Specifications (ASTM/ASME)
Alloy UNS Designation Material
Specification
Tubing
Specification
Pipe
Specification
317/317L1 S31700/S317031 A 240/SA-240 A 249/SA-249 A 312/SA-312
      A 269 A 778
      A 554 ---

1 Supplied as dual certified material.

Chemical Composition (%)
Alloy 317 317L
UNS Designation S31700 S31703
Carbon (C) max. 0.08 0.030
Manganese (Mn) max. 2.00 2.00
Phosphorus (P) max. 0.045 0.045
Sulfur (S) max. 0.030 0.030
Silicon (Si) max. 0.75 0.75
Chromium (Cr) 18.0 - 20.0 18.0 - 20.0
Nickel (Ni) 11.0 - 15.0 11.0 - 15.0
Molybdenum (Mo) 3.0 - 4.0 3.0 - 4.0
Nitrogen (N) max. 0.10 0.10
Iron (Fe) 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)
317 S31700 --- --- --- --- ---
317L S31703 75,000 515 30,000 205 35

 

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