Products Carbon steel pipe/tube Round tube Square Tube Rectangluar Tube Thickness 0.8-2.5mm 0.1-35mm 0.6-25mm Outer Diameter 15-165mm 20*20-500*500 10*20mm-700*300mm Steel Grades Q195,Q215,Q235,Q345,ST37 ST52, A36,A53,SS400,S235,S275,C20,C45,1006,1008,1010,1022 Standard ASTMA53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728-2002 Technique Hot rolled / cold rolled Surface Black Finish ,Oiled,Shot Blasted,Spray Paint,Coated,Galvanized,Or as Your Request Pipe Ends Treatment Plain, beveled, threaded, socket with holes, with PVC clap/ coupling/ clamp, or as customers' requirement Package In bundle, no other package or wrapped with waterproof, or as customers' requirement Application Iquid delivery (pump well, gas, water), construction pipe, structural pipe(greenhouse structure, fence post), curtain wall,machinery part etc. Delivery Time Small batch can be in 7-15days, depending on the quantity Payment Term T/T, L/C Price Term CIF; CFR; FOB; EXW