Gi square pipeSizes:10*10-600*600mm,Website:http://www.tytsteeltube.com,      WT:0.3-30mm,      Length:fixed or random,as customer request.Material:Q195-235,Q195,Q235,Q345Surface:Galvanized (zinc coating:40-60g/m2 for pre-gal, 200-250g/m2 for hot dip gal,requested by clients)Shipment:usual length ≤5.8m by 20'GP,6m-12m by 40'GP,(some sizes with 6m length can be into 20'GP .)MOQ:5 tons for normal size and materialLead time: within 7 days from stock with 6m length,20-25 days for customized pipe according to the qtyProduct 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 packingPayment termsTT deposit +BL copy / LC / or 100% LC at sightLoading port/Tianjin,ChinaTrade termsFOB,C&F,CIF,EXWSurfaceGalvanized (zinc coating:40-60g/m2 for pre-gal, 200-250g/m2 for hot dip gal,requested by clients)Shipmentusual length ≤5.8m by 20'GP,6m-12m by 40'GP,(some sizes with 6m length can be into 20'GP .)Certificate