Home / Standards / GB/T 33207-2025 GB/T 33207-2025 Active Non-destructive testing—Test method for the oxide stacking in the non-ferromagnetic metal tube in service by magnetic testing 无损检测 在役非铁磁性金属管内氧化物堆积的磁性检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2025-08-29 Implementation 2025-08-29 Responsible Dept 国家标准委 Drafting Unit N/A