The connection method between the simple flange connection method and cast iron pipe and steel pipe.
平焊法兰连接法也是与铸铁管及钢管之间简单的连接方法。
2
This pipe is made of carbon steel (stainless steel, cast iron, plastic).
这管子是碳素钢(不锈钢、铸铁、塑料)制成的。
3
By comparing main properties of pipe with FWRPM, FRP pipe, steelpipe, Cast iron pipe and reinforce concrete make know technical economic superiority of FWRPM pipe and its broad developing prospects.