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Advantages of SML Steel Pipe and ERW Steel Pipe

ERW (high frequency straight seam welded pipe) steel pipe blanks are manufactured by hot-rolled steel strip cold rolling forming, while SML ( seamless steel tube ) steel pipe blanks are formed by perforating round steel in the hot-rolled state. Obviously, the SML formed in the hot-rolled state has a ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd

Posted 1 month agoPress > SML steel pipeerw steel pipeAdvantages