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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