... steel ,joist steels and so on.The equipments is widely used in electric power industry, shipbuilding, chemical industry, metallurgy, boiler , ... fills the blank in the industry.The large pipe bender is mainly used for all kinds of large steel structure workshop ... Alloy steel,Staninless steel ,carbon steel,seamless steel pipe, straight seam welded steel pipe. Wall thichness:6mm~50mm.1.7 Accssories a ...