Home / Standards / GB/T 41755-2022 GB/T 41755-2022 Active Determination of the susceptibility to cracking of line pipe in sour service—Full ring ovalization test method 酸性环境中管线钢管开裂敏感性试验 全环试样椭圆变形法 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2022-10-14 Implementation 2023-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A