USA UNS S31725
ASTM
Specification or Grade
F 47
Corresponding Standard ASTM A182/A182M-2018
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 18 13 4 -
Maximum Value 0.03 0.75 2 0.045 0.03 20 17.5 5 0.1

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