Home / Standards / GB/T 3098.22-2009 GB/T 3098.22-2009 Active Mechanical properties of fasteners made of the fine grain non-heat treatment steel - Bolts,screws and studs 紧固件机械性能 细晶非调质钢螺栓、螺钉和螺柱 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2009-10-15 Implementation 2010-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A