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
Cr
Mo
V
0.32-0.42
0.80-1.20
0.25-0.50
4.50-5.50
1.00-1.50
0.80-1.20
Mechanical Properties
Hardness HRC (hardened)
44-54
Hardness HB (annealed)
<=229
Typical Available Sizes
Round Bar
16mm–350mm dia
Flat Bar
20×10mm–350×130mm
Sizes are indicative. Contact seller for exact availability.