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
<=0.08
<=1.00
<=1.50
<=0.040
<=0.030
3.00-6.00
23.00-28.00
1.00-3.00
Mechanical Properties
Tensile Strength
>=590 MPa
Yield Strength
>=390 MPa
Elongation
>=18%
Hardness
<=277 HB
Condition
Solution heat treated plate and strip; proof strength applies only when specified by the purchaser