Home / Standards / GB/T 23512-2015 GB/T 23512-2015 Abolished Petroleum and natural gas industries—Evaluation and testing of thread compounds for use with casing, tubing, line pipe and drill stem elements 石油天然气工业 套管、油管、管线管和钻柱构件用螺纹脂的评价与试验 Standard Type GBT ICS 75.180.10 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