Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C
Mn
Cr
Si
P
S
0.52–0.60
0.65–0.95
0.65–0.95
0.15–0.35
≤0.030
≤0.030
Mechanical Properties
Tensile Strength
1180 MPa min (oil hardened)
Yield Strength
≥1030 MPa
Elongation
≥7%
Hardness
363–429 HB
Typical Available Sizes
Round Bar
10mm–75mm dia
Flat Bar
15×5mm–100×20mm
Spring Flat
3×25mm–20×125mm
Sizes are indicative. Contact seller for exact availability.