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Spheric Trafalgar

High Carbon Chrome Alloy

General Information

This is an oil-hardened steel, which is universally used by the ball and roller bearing industry. The steel has high hardness and good resistance to deformation with excellent wear resistance. Usually vacuum degassed and uniformly through hardened in atmosphere controlled electric furnaces.

International Equivalents

AISI 52100, EN31, JIS G4805 SUJ2, Wks 1.3505

Material Specification

Composition

C 0.95 - 1.10 % Cr 1.30 - 1.60 % Mn 0.25 % Max Si 0.15 - 0.30 % P 0.03 % Max S 0.025 % Max

Hardness

HRc 60 - 67

Mechanical Properties

Tensile Strength 325,000 psi Yield Strength 295,000 psi Density 0.283 lbs/cu in

Size Range

0.635mm (0.025") to 101.6mm (4")

Standard Grades Available

5 10 25 100 500