Home / Standards / GB/T 32959-2025 GB/T 32959-2025 Active Bearing steels for forged bars, rings and blanks 轴承钢锻制棒材、环件及毛坯 Standard Type GBT ICS 77.140.10 CCS H 40 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A