... epoxy. 1) Standard: ISO2531, BSEN5452) Effective length:DN80-DN1200 6M by bulk shipment,5.7M by20'or40’container;3) Inner cement ... party;10) Class: K7,K8, K9,K10 Ductile cast iron pipeGrey iron pipeSteel pipeTensile strength(Mpa)≥420150--260≥400Yield strength(Mpa)≥300200 ... protecting outer anti-corrosion layer, steel cable should be packed by rubber or other similar material. While using hook, it ...