Home / Standards / GB/T 4226-2009 GB/T 4226-2009 Active Cold finished stainless steel bar 不锈钢冷加工钢棒 Standard Type GBT ICS 77.140.20 CCS H44 Status 现行 Issue Date 2009-10-30 Implementation 2010-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会