2025 年高级职务工程系列专业论文论钢质压力管道焊接质量控制张 平 科2025 年 8 月目 录1管道焊缝质量缺陷的分类：...........................................12几类重要焊缝质量缺陷产生的原因：...................................22.1未焊透：...........................................................22.2气孔：.............................................................22.3裂纹：.............................................................23管道材料和焊接材料进场检验措施：...................................23.1对材料质量证明文件进行检查：.......................................33.2材料外观质量检验：.................................................33.2.1实测实量检验：.....................................................33.2.2对管材、管件的材料性能和化学成分抽样复检：.........................34管道焊接过程控制措施：.............................................34.1焊接施工工艺控制：.................................................34.1.1制定焊接施工工艺：.................................................34.1.2对焊接工艺进行评定：...............................................44.1.3焊接工艺卡管理：...................................................54.2焊工的资格和能力核查：.............................................54.2.1焊工合格证书的考试合格项目：.......................................54.2.2焊工合格证检验、审批的有效期限：...................................54.3管道焊接操作过程控制：.............................................54.3.1管道切割下料检查：.................................................54.3.2坡口加工的控制：...................................................54.3.3管道组对控制：.....................................................64.3.4焊接设备和工器具检查：.............................................64.3.5焊接施工环境检查：.................................................64.3.6对焊接操作进行巡检：...............................................64.3.7惰性气体保护措施检查：.............................................74.3.8焊前预热和焊后热处理控制：..............
