USA UNS K90941
ASTM
Specification or Grade
F 9
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 Alloy Steel
Properties Corrosion Resistance
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value - 0.5 0.3 - - 8 0.9
Maximum Value 0.15 1 0.6 0.03 0.03 10 1.1

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