Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C
Si
Mn
P
S
Ni
Cr
Cu
<=0.08
<=1.70
<=3.00
<=0.045
<=0.030
6.00-9.00
15.00-18.00
1.00-3.00
Mechanical Properties
Tensile Strength
>=450 MPa
Yield Strength
>=155 MPa
Elongation
>=40%
Hardness
<=187 HB
Condition
Solution heat treated plate and strip; 0.2 percent proof strength applies only when specified by the purchaser