Home / Standards / GB/T 31218-2014 GB/T 31218-2014 Active Metallic materials—Determination of residual stress—Sectioning relaxation strain-gage method 金属材料 残余应力测定 全释放应变法 Standard Type GBT ICS 77.040.10 CCS H22 Status 现行 Issue Date 2014-09-30 Implementation 2015-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A