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Bearing steel

The high-carbon chromium bearing steel produced by CITIC Special Steel Group is widely used in roller, shaft sleeve screw rod and nut of transmission shaft for automobile, engineering machinery, internal-combustion engine manufacturing, thermoelectricity,high-speed train, electrical locomotive, machine tool, steel rolling equipment, and drilling & exploring machinery, etc. Carburized bearing steel is mainly applied in railway locomotives, large machinery and wind power industry. The bearing steel products are supplied by batch to the world well-known companies such as SKF, SCHAEFFLER, NSK, THK, JTEKT, Minebea, NTN, TIMKEN, Brenco and TPI, etc and favored by major bearing manufacturers in the world.


Typical steel grades/Standards

GB Standard

ASTM Standard

EN Standard

JIS Standard

Customer Specifications/Mutual Agreement

GCr15

GCr15SiMn

G20CrNiMo

G20CrNi2Mo

G20Cr2Ni4

GCr18Mo

52100

SAE4320

SAE8620

SAE8720

SAE3311

SAE4150

100CrMnSi6-4

100Cr6

100CrMn6

100CrMo7

SUJ2

SUJ3

   SNCM420

SUJ5

SHJ7

SKF3、SKF3S. SUJS2. SUJ2-L SUJ2E、 100CrMnSi6-4、100Cr6、SKF42、SKF48、S53CG、SKF5、SKF6、SKF7, C56E2、SKF255、SKF157、SKF170、100CrMo7-3、100CrMnMoSi8-4-6、THK5SP、 CRF1、CRF2、CRF3

 

 

Size range

Bar

Φ10~200

Seamless pipe

Φ50~530×5~130

Ring

Φ500~6300×80~500(height)

Bright steel

Φ10~200

Forged steel

Φ100~850

Wire rod

Φ5.5~25

Steel wire

Φ1.5~24

Drawn bar

Φ8.0~24

Phosphorus saponified steel

Φ5.5~25