Steel ball, a key basic part, exists in rotating places. With annual output of 30,000t steel rolling element blanket for various bearings, specification from ∮19.8438 to ∮82.55. Steel grades include GCr15, GCr15SiMn, 100Cr6 and 100CrMnSi6-4. The product is widely applied to metallurgical mine machinery, machinery bearing, rotary bearing of engineering machinery, motor bearing, yaw and variable pitch bearings of wind power generation equipment, automobile part and other fields. ● GB/T18254 High-carbon Chromium Bearing Steel. ● JB/T1255 Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel. ● Q/320581DXB004 Hot-rolled and Hot-forged High-carbon Chromium Bearing Steel Ball blanket.