Home / Standards / GB/T 39033-2020 GB/T 39033-2020 Abolished Austenitic-ferritic duplex stainless steel wire rods 奥氏体-铁素体型双相不锈钢盘条 Standard Type GBT ICS 77.140.60 CCS H44 Status 废止 Issue Date 2020-07-21 Implementation 2021-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A