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 Ni Mo More
Nominal Value 0.12 0.35 0.5 12.25 0.4 0.3 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
Impact Energy Absorption
KV2
J
Oil Quenching (1000 F) ≥157 ≥145 ≥13 ≥69 ≥300 ≥34

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