规范《DLT541-1994-钢熔化焊角焊缝射线照相方法和质量分级》.pdfVIP

中华人 民共和 国电力行业标准 钢熔化焊角焊缝射线照相 方法和质量分级 Methodsofradiographictestingandclassificationof measuringresultsforfilletfusionweldedinsteel DL/T541一94 DL/T541-94 563 目 次 1 主题内容与适用范围 二‘‘··… 564 2 引用标准 ·······················································································…… 564 3 检验等级与像质要求 ，················································。·“··················…·…564 4 无损检测人员 ·························。···················································…… 565 5 检测设备 ···············“··································································…… 565 6 工业射线胶片和增感屏 ·······”···························································…·…565 7 像质计 ···············。···································“·····································…… 566 8 表面状态 ·····················。·······························································…… 568 9 补偿块 ······································。················································…… 568 10 透照工 艺 ·····························。························································…… 570 11 底 片的观察 ·············································································。······一 572 12 焊缝质量分级 ·································“····“···········…… ‘······················…… 572 13射线照相检验报告及底片存档······················································……’··…574 14 射线照相防护 ··························································，·····················…… 574 ,ii, 水 利 水 电卷 .金 属 结 构 主题 内容与适用范围 本标准适用于电力机械、水电设备及水电建筑物钢结构中T形接头角焊缝和搭接接头 角焊缝的射线照相及质量评定。其他类似结构的角焊缝也可以参照采用。 本标准适用于透照厚度 (指在一定透照角度下，中心射线束贯穿被检部位的厚度)为 6-120mm的钢熔化焊T形接头角焊缝、搭接接头角焊缝的x射线和r射线照相方法和焊 缝的质量分级 2 引用标 准 GB3323 《钢熔化焊对接接头射线照相和质量分级 GB3375 《焊接名词术语》 GB5618 《线型像质计》 GB4792 《放射卫生防护基本标准》 ZBY201