ERW焊管
ERW pipes
ERW pipe
Electric resistance welded pipe
ERW welded pipe
electric resistance weld(ERW) pipe
ERW直缝焊管
ERW straight weld pipe
ERW straight welded pipe
ERW
ERW straight welded tubing
Q460C直缝焊管
Q460C longitudinal welded pipe
X80电阻焊管线管
X80 grade electric resistance welding linepipe
X80钢级直缝埋弧焊管
X80 steel SAW straight welded tube
X80厚壁焊管
X80 grade steel pipe with heavy thickness