ICS号： 中国标准文献分类号 ： 团 体 标 准 发 布 实 施 发 布 ⡟⢋䓝䄲䇻㛋䊣㦶䊻㩰⼄㬱㬱⧂チⰞ⹽㏎㈷⭨エ᷍⭨エ⼦7&  - 767,& ⳨⼰㆑⶷䄊㾟⼙㯠 7XEXODUFRUHGHOHFWURGHVIRUQRQDOOR\VWHHOV   㩰⼄㬱ネ䂊ネ⥃㦰䐅㾎。 全国团体标准信息平台 I目次 前言.....................................................................................................................................................II 1范围.....................................................................................................................................................1 2规范性引用文件.................................................................................................................................1 3术语与定义.........................................................................................................................................1 3.1松弛直径...................................................................................................................................2 3.2翘距.............................................................................................................................................2 4焊丝牌号.............................................................................................................................................2 5技术要求.............................................................................................................................................2 5.1焊丝尺寸.....................................................................................................................................2 5.2焊丝线性.....................................................................................................................................3 5.3焊丝净质量.................................................................................................................................3 5.4焊丝表面质量.............................................................................................................................4 5.5T型接头角焊缝..........................................................................................................................4 5.6熔敷金属化学成分.....................................................................................................................4 5.7熔敷金属力学性能.....................................................................................................................4 5.8多道焊焊缝射线探伤.................................................................................................................5 5.9熔敷金属扩散氢含量.................................................................................................................5 5.10焊丝试焊要求...........................................................................................................................5 6检验方法.............................................................................................................................................6 6.1焊丝尺寸、线性、净质量、外表质量.....................................................................................6 6.2T型接头角焊缝试验................................................................................................................6 6.3化学成分试验.............................................................................................................................6 6.4力学性能试验.............................................................................................................................7 6.5射线探伤试验.............................................................................................................................8 6.6熔敷金属扩散氢试验.................................................................................................................8 6.7焊丝试焊试验..................................................................