Product Name Square/Rectangular Pipe Material Q195 similar to a283 GR.B, 040a10, ss330 Q235 similar to a283 GR.D, 080a15,CS type B Q345 similar to a737 GR.B, SS400, S235JR Material Chemical Composition C Mn Si S P 0.06-0.12 0.25-0.50 â?¤0.30 â?¤.050 â?¤0.045 Tensile strength: 315-430(Mpa) Yield steength:195(Mpa) Elongation:33 Shape Square / Rectangular Outer Dia(mm) 15*15mm-1000*1000mm / 10*20mm-700*300mm Wall Thickness(mm) 0.6-25mm Length 5.8m-12m Surface Treatment 1)Black,Pre-galvanized 2)oiled,powder coating 3)Galvanized as your requirement PS:Pre galvanized steel pipe: 60-150g/m�²;Hot dipped galvanized steel pipe: 200-400g/m�² End Finish Plain/ beveled ends or threaded with sockets/coupling and plastic caps. Packaging Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. Inspection With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, With Nondestructive Inspection Application construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Building material, Furniture tube, Low pressure fluid tube, etc HS Code 7306309000 Others 1:Special design available according to requirement 2:Pipe can be necked dowm, punching hole on pipe wall. 3:Pipe fittings, elbows are available. 4.All production process are under the ISO9001:2000 strictly