Basic Information: Material: PE Color: Black,Yellow Shape: Round Trademark: Guorunxincai Hardness: Hard Tube Hollow: Hollow Usage: Drainpipe, Water Supply Pipe, Corrugated Pipe The Quick Details of Corrugated Steel Pipe : Place of Origin: Luoyang ,China Material: PE& Steel Strip Brand name: GUORUNXINCAI Standerd: CJ/T189-2007 connection: Hot Extrusion Weilding, Electrothermal Melting Belt, Thermal Contraction Pipe, Clamp Connection, Combination Connection (Two or more two of above connection ways) Pipe Diameter:(mm) 300-1800 Minimum Mean Bore Diameter:(mm) 294-1785 Minimum Inner Wall Thickness:(mm) 2.5-6 Minimum laminated wall thickness:(mm) 4-9 Maximum Pitch of Screw:(mm) 75-230 Minimum Steel Strip Thickness:(mm) 0.4-1 Ring stiffness:(mm) ?12 Minimum Corrosion Protection thickness:(mm) 2.2-3.5 Installation Auxiliary material&Tools: Thermal Contraction: Reciprocating saw for pipe,Euphroe,Welding gun with gas tank, Electrothermal Melting Belt: Electro fusio,Portable Weilding Gun,Soldering thread of plastics,Steel buckle - belt, Corrugated Steel Pipes'diameter,length and other types of indexes can be based on customers' requirement. Corrugated Steel Pipes' Application Feild: Industy,Stope,Water Storage System, Agricultural Engineering, Municipal Engineering,Road Engineering, Construction