Home / Standards / GB/T 19830-2023 GB/T 19830-2023 Active Petroleum and natural gas industries—Steel pipes for use as casing or tubing for wells 石油天然气工业 油气井套管或油管用钢管 Standard Type GBT ICS 75.180.10;77.140.75 CCS E92 Status 现行 Issue Date 2023-11-27 Implementation 2024-03-01 Responsible Dept 国家标准委 Drafting Unit N/A