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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, 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)Q195195-18533Q215215-16531-26Q235235-18526-21Q275275-21522-17
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Pre Galvanized Square Tube