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Black steel pipe is not really a specification but rather a generic term used primarily by plumbers to distinguish regular steel pipe from galvanized steel pipe. Black steel pipes are cast from several grades of ductile or malleable iron, whereas carbon steel pipes are generally welded or seamless.China 300X300 Black Square Steel Pipe , Covering an area of 164, 000 square meters, is a comprehensive enterprise of steel deep-processing integrating ratio-frequency welded pipe, galvanized pipe, cold-rolled sheet and galvanized coil, with the annual yield capacity of 2,000, 000 tons of welded pipe, 450, 000 tons of galvanized pipe ranging China Greenhouse Frame Parts Gi Tube Square Steel
Galvanized Rectangular Tube, Gi Shs Tube, Gi Rhs Tube manufacturer / supplier in China, offering Hot Dipped Galvanized Rectangular Pipe Gi Shs / Rhs Hollow Tube, AISI4047h AISI3310 AISI316ti Alloy Steel Round Bar, Hot Rolled Flat Bar Spring Steel S235jr Ss400 A36 Carbon Iron Black Steel China Product Q235/Ss400/St42/HDG Shs/Rhs/Galvanized 80 40 rhs steel galvanized black iron square tubeChina Product Q235/Ss400/St42/HDG Shs/Rhs/Galvanized Square Tube/Steel Pipe, Find details about China Rectangular Pipe, Mild Steel Pipe from China Product Q235/Ss400/St42/HDG Shs/Rhs/Galvanized Square Tube/Steel Pipe China Rectangular Steel Hollow Section, Rectangular Steel 80 40 rhs steel galvanized black iron square tube50X50 Square Steel Tube Price, 20X20 Black Annealing Square Rectangular Steel Tube, 40*80 Rectangular Steel Hollow Section FOB Price US $ 650-775 / Ton Min. Order 5 Tons
Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips carbon steel pipe
Square Tube, Rectangular Tube, Rectangular Pipe manufacturer / supplier in China, offering China Supplier Black/Galvanized Finish Hollow Section Carbon Rhs Rectangular Steel Tube Price, DN50 Galvanized Steel Pipe for Outdoor Natural Gas, Ms Zinc Coated Galvanized or Black Hollow Structure Steel Pipe with Thin Thickness for Furniture Pipe and so on.RHS Square Steel Tube , Covering an area of 164, 000 square meters, is a comprehensive enterprise of steel deep-processing integrating ratio-frequency welded pipe, galvanized pipe, cold-rolled sheet and galvanized coil, with the annual yield capacity of 2,000, 000 tons of welded pipe, 450, 000 tons of galvanized pipe ranging
Carbon MS steel ERW Q195 black annealed steel tube for furniture Product Name Steel ERW Black Pipe Section Shape Round, Square, Retangular, oval, L, T, Z Specification 5.8mm-508mm; 6.5×6.5mm-400x400mm Thickness 0.45-20mm Length 1-12m, meet your requirements. 80 40 rhs steel galvanized black iron square tubeSturdy, Stainless 80x40 rhs steel square tube for Industry 80 40 rhs steel galvanized black iron square tubeThe 80x40 rhs steel square tube you can find on the site are generally built using hot-dipped technology to prevent rusting and weakening of the structural elements. With seamless welding quality, these 80x40 rhs steel square tube are annealed with nitrogen protection and are polished with utter professionalism. These products are made of robust materials such as carbon steel, stainless steel, galvanized surface