Home / Standards / GB/T 32790-2016 GB/T 32790-2016 Active Methods for evaluating the weld quality of seam welds in aluminium and aluminium alloy extrusion 铝及铝合金挤压焊缝焊合性能检验方法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A