Square steel tube can be used in many places such as urban construction pipe, machine structure pipe and agriculture equipment pipe. Welcome to choose us! We also provide Galvanized Steel Pipe, Square Steel Pipe, Carbon Steel Pipe Cap, bend Pipe Product nameSQUARE STEEL TUBE TechniqueLongitudinal Electronic Resistance Welding(ERW) High Frequency Welding (HFW) Material QualitySteel GradeQ195 similar to a283 GR.B, 040a10, ss330, sphcQ235 similar to a283 GR.D, 080a15, CS type BQ345 similar to a737 GR.B, SS400, S235JR Material TypeAvailable in cold rolled and hot rolled SizeW.T3mm-13mm Diameter200*200mm-300*300mm Length5.8m-14m SurfaceGalvanized, 3PE, painting, coating oil, steel stamp, drilling, etc EndsPlain ends, cutting, threading, beveled, flange, etc PackingPacking in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. InspectionWith Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, With Nondestructive Inspection CertificationBV, IAF, SGS,COC, ISO or as per customer ApplicationUrban construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Scaffolding pipe, Building material tube, Furniture tube, Low pressure fluid tube, Oil pipe, etc Trade TermsFOB, CFR, CIF, EXW, etc. PaymentL/C, D/A, D/P, T/P Western Union, MoneyGram acceptable, T/T preferred Delivery TimeUsually within 10-30 days after receipt of deposit, ASAP Loading PortXingang , Tianjin CooperationShip-ownerMSK, CMA, MSC, HMM, COSCO, UA, NYK, OOCL, HPL, YML, MOL