Home / Standards / GB/T 46163-2025 GB/T 46163-2025 Active Electromagnetic testing method for hard spots on the surface of steel plates 钢板表面硬点电磁检测方法 Standard Type GBT ICS 77.040.20 CCS H26 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