| Product Name: | Carbon steel square pipe 25*25mm Q235 steel square hollow section | 
| Size: | OD | 15x15mm-600x600mm / 20x30mm-600x800mm | 
| Wall Thickness | 1.2mm-20mmSCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc. | 
| Length | Less Than 12m | 
| Steel material | Q195 → Grade B, SS330,SPHC, S185Q215 → Grade C,CS Type B,SS330, | 
| SPHCQ235 → Grade D,SS400,S235JR,S235JO,S235J2 | 
| Standard | BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BSEN10217,GB/T13793-1992, | 
| GB/T14291-2006, GB/T3091-1993,GB/T3092-1993,GB3640-88 | 
| Usage | Used For Structure, Accessorize And Construction | 
| Ends | 1) Plain2) Beveled3) Thread with Coupling or cap | 
| End protector | 1) Plastic pipe cap2) Iron protector | 
| Surface Treatment | 1) Bared2) Black Painted (varnish coating)3) Galvanized4) With Oiled5) 3 PE, FBE, corrosion resistant coating | 
| Technique | Electronic Resistance Welded (ERW )Electronic Fusion | 
| Welded (EFW)Double Submerged Arc Welded (DSAW) | 
| Type | Welded | 
| Section Shape | Square/rectangular | 
| Inspection | With Hydraulic Testing, Eddy Current , Infrared Test | 
| Package | 1) Bundle,2) In Bulk3) Bags4) Clients' Requirements | 
| Delivery | 1) Container2) Bulk carrier | 
| Port of Shipment | Tianjin Port, China | 
| Date of Delivery | According To The Quantity And Specification Of Each Order | 
| Payment | L/C T/T | 
| Others | Fitting as screws and flange also can be supplied. |