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
Mo
N
<=0.06
<=1.50
<=2.00
<=0.045
<=0.030
12.00-16.00
23.00-26.00
0.50-1.20
0.25-0.40
Mechanical Properties
Tensile Strength
>=690 MPa
Yield Strength
>=345 MPa
Elongation
>=40%
Hardness
<=250 HB
Condition
Solution heat treated plate and strip; 0.2 percent proof strength applies only when specified by the purchaser