Pre Galvanized Square Tube
Black square steel pipe Product DescriptionProduct NameBlack square tubeSizeOuter Dimensions: 10*10-400*400mm Wall Thickness:0.5 mm ~ 20mm Length: max 12000mmCross-Section ShapesquareSteel GradeQ195 Q215 Q235 Q275ApplicationFor mechanical and pressure use,Website:, and also for transporting steam, water, gas and etc.Export MarketGlobalOriginChinaProduction Capacity400, 000 Tons/YearFOB PortTianjin /TianjinxingangAdvantages of our productsExcellent quality Reasonable price Superior service On-time deliveryPackingBare packing/bundle packing Chemical Composition (%)GradeMethod ofdeoxidationchemical cComposition SiMnPSQ195F Z0.120.300.500.0350.050Q215AF Z0.150.351.200.045BF Z0.045Q235AF Z0.220.351.400.0450.050BF Z0.200.045CZ0.170.0400.040DT Z0.0350.035Q275AF Z0.240.351.500.0450.050BZ0.210.0450.045CZ0.200.0400.040DT Z0.0350.035Mechanical PropertiesGradeYield Strength (Mpa)Tensile Strength (Mpa)QQQQ
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