Home / Standards / GB/T 902.4-2010 GB/T 902.4-2010 Abolished Threaded studs with flange （pitch）and stud with internal thread for short-cycle drawn arc stud welding 短周期电弧螺柱焊用焊接螺柱 Standard Type GBT ICS 21.060.10 CCS J13 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会