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
Al
P
S
0.40–0.50
0.15–0.50
0.55–0.90
1.30–1.70
0.15–0.30
0.70–1.20
≤0.030
≤0.030
Mechanical Properties
Tensile Strength
930–1080 MPa
Surface Hardness HV
≥900 (nitrided)
Core Hardness HB
269–321
Typical Available Sizes
Round Bar
20mm–200mm dia
Flat Bar
25×10mm–150×50mm
Sizes are indicative. Contact seller for exact availability.