压力管道焊接工艺评定指导书

坡口形式： 

衬垫（材料及规格）/

其他 /

类别号               组别号              与类别号             组别号               相焊及标准号           钢  号             与标准号         钢  号            相焊

厚度范围：

母材：对接焊缝                            角焊缝                                          

管子直径、壁厚范围：对接焊缝   mm     角焊缝                           

焊缝金属厚度范围：对接焊缝                 角焊缝                          

其他      

温度范围（℃）                                    

保温时间（h）                                    

预热温度（℃）（允许最低点）                

层间温度（℃）（允许最高点）                

保持预热时间                               

加热方式                                   

气体种类     混合比     流量（L/min）

保  护  气                                     

尾气保护气                                                                          

背面保护气                                                                          

电流种类：                               极性：                                              

焊接电流范围（A）：                   电弧电压（V）：                                  

（按所焊位置和厚度，分别列出电流和电压范围，记入下表）

熔滴过渡形式                                  焊丝送进速度（cm/min）：                        

摆动焊及不摆动焊：                  摆动参数：                                    

焊前清理和层间清理： 清理坡口附近30mm油、锈、水份等 背面清根方法：                                

单道焊或多道焊（每面）：                单丝焊或多丝焊：                             

导电嘴至工件距离（mm）                   锤击：                                      

其他：

钢材标准号：                                                             

钢号：

类、组别号       与类、组别号         相焊

厚度：                                   

直径：                                                                 

其它：                                                                          

温度℃:                                                                               

保温时间h:                                                                      

           气体种类      混合比   流量(L/min)

保  护  气                                    

尾气保护气                                                                          

背面保护气                                           

焊材标准:                                                                    

焊材牌号:                                                                     

焊材规格:                                                           

焊缝金属厚度:                                                                      

其它:                                                                                

电流种类:                                                                       

极性:                                                                              

钨极尺寸：___________ ____

焊接电流(A):                                                                    

电压(V):                                                                          

其它:                                                                            

对接焊缝位置            

方向(向上、向下)

角焊缝位置

方向(向上、向下)

焊接速度（cm/min）:                                                

摆动或不摆动:                                                               

摆动参数:                                                                        

多道焊或单道焊(每面):                                               

单丝焊或多丝焊:                                                          

其它:                                                                               

预热温度℃                                                                     

层间温度℃                                                                   

其它                                                                             

（kN）

和部位

（ °）

RT：                                         UT：                                  

MT：                                       PT：                                 

其他                                                                              

耐蚀堆焊金属化学成分（%）

评定结果：          合格  □      不合格 □

焊

记

录

                                           焊接层次： 

                                           坡口角度： 

                                           钝边： 

                                           间隙： 

                                           其它： 

     焊缝余高（焊脚高）：     

     错边量：                      

     咬边量： 

     焊缝棱角：               

     其它外观缺陷：  无裂纹、咬边、气孔等        

     外观检查结果：无飞溅、无熔渣等

相对湿度：