Home / Standards / GB/T 3087-2008 GB/T 3087-2008 Abolished Seamless steel tubes for low and medium pressure boiler 低中压锅炉用无缝钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 废止 Issue Date 2008-10-24 Implementation 2009-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A