GB/T42606—2023目次前言.........................................................................................IH1范围.........................................................................................12规范性引用文件................................................................................13术语和定义.....................................................................................14总体要求.......................................................................................25焊接修理.......................................................................................55.1焊接挖补修理...........................................................................55.2外壁堆焊修理..........................................................................115.3密封焊接修理..........................................................................165.4焊接卡具修理..........................................................................175.5套筒焊接修理..........................................................................215.6带加强塞焊贴板修理....................................................................265.7圆角焊接贴板修理......................................................................315.8堆焊和补焊修理........................................................................355.9蝶蚊塞或塞焊堵头修理..................................................................396机械修理....................................................................................416.1更换承压部件..........................................................................416.2冷冻塞................................................................................426.3螺纹修理..............................................................................476.4去除金属..............................................................................496.5法兰修理和更换........................................................................526.6机械夹具修理..........................................................................546.7管道矫直或煨弯........................................................................587检验和试验”................................................................................608文件管理......................................................................................60附录A（规范性）石墨制压力容器的修理..........................................................61A.1修理.................................................................................61A.2无损检测和试验..........................................................................62附录B（资料性）焊前预热的替代方法.........................................................637.1概述..................................................................................637.2设计..................................................................................637.3修理..................................................................................657.4无损检测..............................................................................67附录C（资料性＞焊后热处理的替代方法.......................................................692023-05-23发布UGB∕Γ42606—2023C.1概述...................................................................................69C.2修理.....................................
