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Chrome Steel Ball

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

Size Range

0.5mm to 50.8mm

Grade Available

G5/G10/G25/G50/G100/G200/G500/G1000

Hardness

HRC 60-66

Feature

excellent surface quality, superior wear resistance, high hardness and high load bearing capacity

Applications

Precision bearings, automotive components (brakes, steering, line shaft), bicycle, agitators, appliances, drawer rails, quick couplings, machine tool, lock mechanisms, conveyor belts, skates, pens, pumps, castors, measurement instruments, valves, recirculating balls. Foodstaff and chemical applications. 

Material 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

Mechanical Properties

Tensile Strength- 325,000psi

Yield Strength- 295,000psi

Density- 7.83g/cc