SAE 52100 Steel — Specifications & Listings

SAE

High 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

Grade	SAE 52100
Standard	SAE
Description	High 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.
Applications	Ball 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

No active SAE 52100 listings at this time.