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
<=0.030
<=1.00
<=2.00
<=0.045
<=0.030
24.00-26.00
19.00-24.00
5.00-7.00
<=0.25
Mechanical Properties
Tensile Strength
>=640 MPa
Yield Strength
>=275 MPa
Elongation
>=40%
Hardness
<=217 HB
Condition
Solution heat treated plate and strip; 0.2 percent proof strength applies only when specified by the purchaser