Differences Between Electric Resistance Welding and Electric Fusion WeldingERW is the abbreviation of electric resistance welding . The welding method of ERW pipe and submerged arc welded pipe is significantly different. The pressure welding method without filler metal is adopted. The weld is not filled with other components, and the skin effect and the proximity effect o ...
lvy lee - Permanent Steel Manufacturing Co.,Ltd
Posted 7 months agoPress
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