Home / Standards / GB/T 34475-2017 GB/T 34475-2017 Active Urea grade austenitic stainless steel bars 尿素级奥氏体不锈钢棒 Standard Type GBT ICS 77.140.20 CCS H44 Status 现行 Issue Date 2017-10-14 Implementation 2018-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A