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SAE 52100 Steel — Specifications & Listings

SAEHigh carbon chromium bearing steel per SAE standard. American equivalent of EN31. Excellent wear resistance and high hardness after heat treatment. Primary steel for rolling element bearings.

Forms: Round Bar Forging Category: Alloy Steel
Grade Details
GradeSAE 52100
StandardSAE
DescriptionHigh carbon chromium bearing steel per SAE standard. American equivalent of EN31. Excellent wear resistance and high hardness after heat treatment. Primary steel for rolling element bearings.
ApplicationsBall bearings, roller bearings, races, bushings, precision tooling, dies, gauges
Chemical Composition (%)
C Mn Cr Si S P
0.95–1.10 0.25–0.45 1.30–1.60 0.15–0.35 ≤0.025 ≤0.025
Mechanical Properties
Tensile Strength 620–780 MPa (annealed)
Hardness (annealed) ≤207 HB
Hardness (hardened) 60–66 HRC
Elongation ≥15% (annealed)
Typical Available Sizes
Round Bar 18mm–250mm dia
Forging Custom sizes
Sizes are indicative. Contact seller for exact availability.

Active SAE 52100 Listings on M-EX

SAE 52100 Round Bar
2.600 MT
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SAE 52100 Round Bar
3.400 MT
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