Home / Standards / GB/T 23802-2015 GB/T 23802-2015 Abolished Petroleum and natural gas industries—Corrosion-resistant alloy seamless tubes for use as casing,tubing and coupling stock—Technical delivery conditions 石油天然气工业 套管、油管和接箍毛坯用耐腐蚀合金无缝管交货技术条件 Standard Type GBT ICS 75.180.10;77.140.75 CCS E92 Status 废止 Issue Date 2015-05-15 Implementation 2015-09-01 Responsible Dept 国家标准委 Drafting Unit N/A