Thermal expansion pipe is divided into seamless steel pipe and hot expanded seamless pipe, ERW high frequency by the former straight seam welded steel pipe hot expanding processing, the weld heat treatment at intermediate frequency weld ...
Tags: Pipe Welds, Machinery
Thermal expansion pipe as a processing method is the small diameter pipe diameter steel processing with hot-rolled steel mechanical properties than the somewhat less certain. Limited to steel pipe specifications is limited, according to the ...
Tags: Expansion Pipe, Machinery