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
S
P
0.95–1.05
0.15–0.35
0.25–0.45
1.40–1.65
≤0.020
≤0.025
Mechanical Properties
Hardness HRC (hardened)
60–66
Hardness HB (annealed)
≤179–207
Typical Available Sizes
Round Bar
6mm–150mm dia
Flat Bar
15×5mm–100×25mm
Sizes are indicative. Contact seller for exact availability.