Home / Standards / GB/T 33167-2016 GB/T 33167-2016 Abolished Seamless stainless steel tubes and pipes for industrial furnace of petroleum and chemical hydrogenation unit 石油化工加氢装置工业炉用不锈钢无缝钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 废止 Issue Date 2016-10-13 Implementation 2017-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A