USA UNS K42544
ASTM
Specification or Grade
F 5a
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 Mo
Minimum Value - - - - - 4 - 0.44
Maximum Value 0.25 0.5 0.6 0.04 0.03 6 0.5 0.65

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