USA UNS K91350
ASTM
Specification or Grade
F 93
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 Ni N W V B Co More
Minimum Value 0.05 0.05 0.2 - - 8.5 - 0.005 2.5 0.15 0.007 2.5 O:0.005;Nd:0.01~0.06;Cb+Ta:0.05~0.12
Maximum Value 0.1 0.5 0.7 0.02 0.008 9.5 0.2 0.015 3.5 0.3 0.015 3.5

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