中华人民共和国建筑工业行业标准JG/T203一2007代替JG/T3034.1一1996，JG/T3034.2一1996钢结构超声波探伤及质量分级法Methodforultrasonictestingandclassificationforsteelstructures2007一04一18发布2007一11一01实施中华人民共和国建设部发布JG/T203一2007目次前言··，······················································，······················································⋯⋯工1范围···········································································································⋯⋯12规范性引用文件··································，·····································，·················，，··⋯13术语和定义·····，，··············，，，·················，，，····································，，··················，，，，，·14一般要求···················································································，，·················，，⋯⋯25试块··········，···············，···，·············································································⋯⋯36焊接检验·········································，······················，·························，··············⋯⋯47圆管相贯节点及其缺陷位置的判定方法···································，·····························，，·一88直探头检测····...
