Chemical Composition
(C) 碳:≤0.15
(Si) 硅:≤1.00
(Mn) 锰:5.5～7.50
(Cr) 铬:16.0～18.0
(N) 氮:≤0.25
(P) 磷:≤0.060
(S) 硫:≤0.030
(Ni) 镍: 3.5-5.5
Reference ASTM A666
Physical Properties:
Strength of extension :520MPa
Yield Strength:275MPa
Elongation :55 to 60%
Elasticity modulus:29,000,000 psi / 203000MPa
Hardness : HRB<183N/mm2(MPa)。
Density :.280lbs/cubic inch(7.93g/cm3)