Differences between High Frequency Resistance Welded Pipe and Submerged Arc Welded Pipe Comparison of process characteristics and quality performance of several steel pipes: ERW Pipe is divided into induction welding and contact welding according to different welding methods. Using hot-rolled wide strip steel coils as raw materials, through pre-bending, continuous forming, weldin ...
lvy lee - Permanent Steel Manufacturing Co.,Ltd
Posted 20 days agoPress
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