By means of BX1-500 AC arc welding machine,E4303 welding rod,the welding has been performed on the spiral welded pipe with the material of Q235 and specification of 820mmX10mm.

• 采用B×1-500交流弧焊机,E4303电焊条,对材质为Q235,规格为820 mm×10 mm的螺旋焊管进行焊接。