Shanghai Jieteng Precision Mold Factory

Shanghai Jingteng Metal Group Co., Ltd.

   
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GCr15

GCr15

GCr15 Bearing Steel
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GCr15 Bearing Steel



Material Name


Material Name: GCr15

Characteristics and scope of application


For the production of a variety of bearing rings and rolling bodies. For example: internal combustion engine, motor vehicles, cars, tractors, machine, rolling machine, drilling machine, mining machinery, general machinery, and high-speed rotation of a high load mechanical transmission bearing steel ball, rollers and rings. In addition to the ball, substandard of bearing rings, is also sometimes used to make tools, such as die, measuring.

Chemical Composition


C
 Si
 Cu Mo
 Ni
 S P
0.95-1.05
 0.15-0.35
 Max 0.25
 Max 0.10
 Max 0.30
 Max 0.02 Max 0.027

Mechanical Property


Tensile strength
σb (MPa) 		Yield Strength
σs 0.2 (MPa)
Elongation
δ 5 (％)
Hardness
(HRC)
861.3 518.42 27.95 25.8

specification of heat treatment and metallurgical structure


Specification of heat treatment : Annealing of steel bars, steel wire annealing or 830-840℃ oil hardening

Delivery State


In the heat treatment (quenching, annealing or tempering) or heat treatment delivery, delivery status should be indicated in the contract.