Commercial Grade
Corresponding Standard SAE J467b-1956(R1968)
Special Purpose Alloys (Superalloys)
Classification Special Alloy Steel
Chemical Element Composition Content (%)
Component C Si Mn Cr Mo More
Nominal Value 1.1 0.4 0.5 17.5 0.5 Fe余量
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
ksi
Yield Point
σs
ksi
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Oil Quenching (600F) ≥285 ≥275 ≥2 ≥10 ≥580

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