USA UNS K91061
ASTM
Specification or Grade
F 911
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 N Ti W V Zr B Co Al
Minimum Value 0.09 0.1 0.3 - - 8.5 - 0.9 0.04 - 0.9 0.18 - 0.0003 0.06 -
Maximum Value 0.13 0.5 0.6 0.02 0.01 9.5 0.4 1.1 0.09 0.01 1.1 0.25 0.01 0.006 0.1 0.02

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