水工金属结构T形接头角焊缝和组合焊缝超声检测方法和质量分级UltrasonictestingmethodandqualityclassificationforT_iointfilletweldsandcombinationofbutter

ICS91.080.10P26SL中华人民共和国水利行业标准SL581-2012水工金属结构T形接头角焊缝和组合焊缝超声检测方法和质量分级Ultrasonic testing method and quality classificationfor T-joint fillet welds and combination of butterweld and fillet weld of hydro steel structures2012-08-06发布2012-11-06实施中华人民共和国水利部发布