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 V More
Nominal Value 0.3 0.65 0.55 1.25 0.5 0.25 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
Normalizing (1200F) ≥153 ≥134 ≥18 ≥53 ≥320 ≥34

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