ERW Steel Pipe and SAW, SML Steel Pipe Performance Comparison1. Comparison of ERW and SAW steel pipes Because the length of SAW ( Spiral Steel Pipe ) weld is about 4~5 times of the length of ERW weld, and the inner weld nodules are not removed by technological means, the friction of the inner wall of the pipeline is inevitably increased when the medium is con ...
lvy lee - Permanent Steel Manufacturing Co.,Ltd
Posted 4 months agoPress
> erw steel pipeSAW PipeSML steel pipe +2