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
<=0.040
<=1.00
<=2.50
<=0.045
<=0.030
15.00-17.00
16.00-19.00
4.00-6.00
Mechanical Properties
Tensile Strength
>=480 MPa
Yield Strength
>=175 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