石油化工工业耐高温铬镍合金及镍基材料适用各种焊接方式7.石油化工工业电焊条MIG/MAGWIG药芯焊丝UP焊丝UP粉末UTP2133MnUTPA2133MnUTPA2133MnUTP2535NbUTPA2535UTPA2535UTP2737NbUTP2949LSUTP3545NbUTPA3545NbUTPA3545NbUTP6225AlUTPA6225AlUTPA6225AlUTP5048Nb)