This standard specifies the dimensions, appearance, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of hot-rolled high-carbon chromium bearing steel round bars. This standard applies to the manufacture of hot-rolled round steel for rolling bearing rings and rolling elements for railway vehicles.
TB/T 3010-2001 history
2001TB/T 3010-2001 Technical conditions for ordering high carbon chromium bearing steel for rolling bearings of railway vehicles