JG_T_203-2007_钢结构超声波探伤及质量分级法（完整）

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1、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··，······················································，····································

2、··················⋯⋯工1范围···········································································································⋯⋯12规范性引用文件··································，·····································，·················，，··⋯13术语和定义·····，，··············，，，·············

3、····，，，····································，，··················，，，，，·14一般要求···················································································，，·················，，⋯⋯25试块··········，···············，···，·································································

4、············⋯⋯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········，，···················，·················，············

5、···，·1············，，，··················，⋯109检测结果的质量分级···········，，·················，··············································，···········⋯⋯1210焊接接头返修检测··························，，································，···························⋯⋯151技术档案·····，······················

6、·······························，，，············，···，······，············⋯⋯16附录A(规范性附录)CSK工日型试块的形状和尺寸····。··，，················，，，·········，，，17附录B(规范性附录)RBJ一1型对比试块的形状和尺寸········，，····································⋯⋯18附录C(规范性附录)CSK一IDj型试块的形状和尺寸·······································

7、，·，······⋯⋯19附录D(规范性附录)传输损失差的测定·····‘·············，························，·········，·········⋯⋯20附录E(规范性附录)圆管相贯节点焊缝超声波探伤几何临界角和修正系数的确定方法······⋯⋯21附录F(规范性附录)T型和角接接头未焊透指示深度检测······，，········‘························⋯⋯2附录G(资料性附录)超声波探伤报告、探伤结果和探伤记录，····································

8、⋯⋯23JG/T203一2007.JJ‘.‘‘~月U吕本标准JG/