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
Cu
N
<=0.030
<=1.00
<=2.50
<=0.040
<=0.030
3.00-5.50
21.50-24.50
0.05-0.60
0.05-0.60
0.05-0.20
Mechanical Properties
Tensile Strength
>=600 MPa
Yield Strength
>=400 MPa
Elongation
>=20%
Hardness
<=290 HB
Condition
Solution heat treated plate and strip, thickness up to 2.0 mm for elongation; proof strength applies only when specified