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
<=0.15
<=1.00
<=2.00
<=0.20
>=0.15
8.00-10.00
17.00-19.00
<=0.60
Mechanical Properties
Tensile Strength
>=520 MPa
Yield Strength
>=205 MPa
Elongation
>=35%
Hardness
<=187 HB
Condition
Solution heat treated plate and strip; 0.2 percent proof strength applies only when specified by the purchaser