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2. Good quality
3. Competitive pricing
4. Meet your needs through reprocessing
5. Excellent service
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1. Galvanized welded square steel pipe 40*40mm for low pressure fluid transportation is mainly used for conveying water, gas, air, oil and heating hot water or steam. The use is limited to general low pressure fluid. 2, galvanized welded square steel pipe 40*40mm for low pressure fluid transport, mainly used for conveying water, gas, air, oil and heated water or steam, generally low pressure fluid, square pipe is hot dip galvanized or cold galvanized anticorrosion process. 3, mining liquid transport welding square steel pipe 40*40mm, mainly used for mine pressure, drainage, shaft exhaust gas using straight seam welding square pipe. 4, large diameter welding square steel pipe 40*40mm for low pressure fluid transmission, mainly used for conveying water, sewage, gas, air, low pressure fluid such as heating steam. 5, the mechanical structure adopts stainless steel welded square tube, mainly used for machinery, vehicle, bicycle, furniture, hotel and restaurant and other mechanical parts and structural decoration. 6, stainless steel welding for fluid transmission of square pipe, mainly used for conveying low pressure corrosive medium. 7, spiral square pipe for low pressure transmission is mainly used for low pressure water, oil, natural gas, heating and other pipelines. 8, used for transportation of flammable and non-flammable liquid, square pipe, mainly used for transportation of low-pressure or high-pressure square pipe flammable and non-flammable liquid, relatively high requirements. 9. Galvanized welded square pipe for low pressure fluid transportation is mainly used for conveying water, gas, air, oil and heating hot water or steam. The use is limited to general low pressure fluid. 10, galvanized welded square pipe for low pressure fluid transport, mainly used for conveying water, gas, air, oil and heated water or steam, generally low pressure fluid, square pipe is hot dip galvanized or cold galvanized anticorrosion process. 11, mining liquid transport welding square pipe, mainly used for mine pressure, drainage, shaft exhaust gas using straight seam welding square pipe. 12, large diameter welding square pipe for low pressure fluid transmission, mainly used for conveying water, sewage, gas, air, low pressure fluid such as heating steam. 13, the mechanical structure adopts stainless steel welded square tube, mainly used for machinery, vehicle, bicycle, furniture, hotel and restaurant and other mechanical parts and structural decoration. 14, stainless steel welding for fluid transmission of square pipe, mainly used for conveying low pressure corrosive medium. 15, spiral square pipe for low pressure transmission is mainly used for low pressure water, oil, natural gas, heating and other pipelines. 16, used for transportation of flammable and non-flammable liquid, square pipe, mainly used for transportation of low-pressure or high-pressure square pipe flammable and non-flammable liquid, relatively high requirements.| packing details | Big order: in bulk |
| Small order: packed by steel strips | |
| woven cloth with 7 slats | |
| according to the requirements of customers | |
| 20ft container can load 25 tons, 40ft container can load 26 tons. | |
| Delivery time | 3-15 working days after received the deposit or L/C. |
| SHS/RHS HOLLOW SECTION PIPE SIZE CHART | |||
| Size(MM) | Thickness(MM) | Size(MM) | Thickness(MM) |
| 10*10 | 0.5-1.5 | 15*10 | 0.6-1.0 |
| 15*15 | 0.6-1.5 | 20*10 | 0.6-1.0 |
| 20*20 | 0.6-2.0 | 40*20 | 0.6-3.0 |
| 30*30 | 1.0-2.75 | 60*30 | 1.0-3.75 |
| 40*40 | 1.0-3.5 | 80*40 | 1.5-5.75 |
| 50*50 | 1.0-5.0 | 100*50 | 2.0-6.0 |
| 60*60 | 1.0-6.0 | 120*60 | 3.0-6.0 |
| 70*70 | 1.5-6.0 | 120*80 | 3.0-6.0 |
| 80*80 | 2.0-6.0 | 150*50 | 3.0-6.0 |
| 90*90 | 2.0-6.0 | 150*100 | 4.0-12 |
| 100*100 | 2.3-6.0 | 160*80 | 4.0-6.0 |
| 150*150 | 4.0-6.0 | 200*100 | 4.0-12 |
| 200*200 | 4.0-8.0 | 200*150 | 4.0-12 |
| 250*250 | 6.0-12 | 250*150 | 5.0-12 |
| 300*300 | 6.0-12 | 300*200 | 5.0-12 |
| 400*400 | 6.0-12 | 400*200 | 5.0-12 |
| Other sizes can be customized according to your request | |||
| Commodity | Mild steel pipe | |
| Size | OD | Round 1/2-24"(20mm-610mm) Square 12*12-300*300 Rectangular 10*20-300*400 |
| WT | 0.4-20mm | |
| Length | 1-12m or as your requirement,Ready to ship pipes are 6m long | |
| Steel Material | Q195 Q235 Q345 | |
| Standard | ASTM A53 ASTM A500 GB/T3091 GB/T3094 DIN EN10025 DIN EN10217-2005 BS EN10217 BS EN10219 BS EN10025 JIS G3466 | |
| Type | Welded pipe | |
| Pipe Ends | 1)Plain 2)Beveled 3)Threaded with coupling and plastic cap | |
| Surface Treatment | 1) Bared 2) Black Painted 3) Galvanized 4) Oiled | |
| Deep processing | oiled, painted, galvanized, powder coating, shrink head, pressure groove, welding head, punching, threaded with coupling and plastic cap | |
| Inspection | With Hydraulic Testing, Eddy Current, Infrared Test | |
| Application | Construction,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. | |
| Shipment |
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| Loading port | Xingang,China | |
| Package |
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| Payment terms | TT or LC at sight | |
