Home / Standards / GB/T 4357-2009 GB/T 4357-2009 Abolished Cold-drawn non-alloy steel wire for springs 冷拉碳素弹簧钢丝 Standard Type GBT ICS 77.140.65 CCS H49 Status 废止 Issue Date 2009-10-30 Implementation 2010-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A