This Standard specifies the order contents, dimension, shape, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of the high-carbon chromium bearing steel. This Standard is applicable to the hot-rolled or forged round-steels, wire-rods, cold-drawn (cold-rolled) round-steels (straight-strip or disc-shaped) and steel-pipes that are made of high-carbon chromium bearing steel and used for manufacturing bearing ring and rolling body. The continuously cast steel is not recommended to be adopted as the steel for manufacturing steel balls. Based on the agreement by both the supplier and the purchaser, steels and steel-billets of other varieties and specifications may also be supplied; and the specific requirements shall be indicated in the contract.
Basic Data
Standard ID
GB/T 18254-2002 (GB/T18254-2002)
Description (Translated English)
High-carbon chromium bearing steel
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H40
Classification of International Standard
77.140.20
Word Count Estimation
56,520
Date of Issue
3/10/2002
Date of Implementation
7/1/2002
Older Standard (superseded by this standard)
GB/T 18254-2000
Quoted Standard
GB/T 222; GB/T 223.3; GB/T 223.5; GB/T 223.10
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary
This Standard specifies the contents of the order of high carbon chromium bearing steel, size, shape, technical requirements, test methods, inspection rules, packaging, marking and quality certification. This Standard is applicable to the production of bearing rings and rolling elements with a high carbon chromium bearing steel hot-rolled or forged steel bar, wire rod, cold drawn (rolled) round (straight or plate) and steel pipe. Continuous casting of steel balls do not recommend. Agreed between, also can supply other varieties and specifications of steel billet, specific requirements should be specified in the contract.
