Square Hollow
✔ Brand:Youfa Steel Pipe Manufacturer
✔ Size:20x20mm/20x40mm-400x400mm/300x500mm
✔ Material:Q195, Q235, Q355
✔ Wall thickness:1mm - 30mm
✔ Standard:ASTM A500、ASTM A53、EN10210 、EN10219、JIS3444、 JIS3466、ISO65
✔ Application:Construction and Building Structures、Bridges and Infrastructures、Agricultural Greenhouses and so on
✔ MOQ:One container about 26 tons
✔ Production time: usually 25 days
✔ Port: Xingang Tianjin Port in China
✔ Payment Terms: L/C, D/A, D/P, T/T
Tianjin YOUFA International Trade Co.,Ltd is one of the most experienced manufacturers and suppliers of square hollow in China. Welcome to wholesale bulk high quality customized produts at low price from our factory. For price list and cheap products, contact us now.
Products Description
Square Hollow Pipe
Square hollow pipe refers to a type of hollow structural cross-section (HSS) with a square cross-sectional shape.These square pipes are manufactured through the welding process, where two edges of the flat strip are joined together. Welded square pipes are cost-effective and commonly used in buildings and various structural applications.
Products Specifications
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| Products | Square/Rectangular Hollow Pipe |
| Material | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Grade B Grade C |
| Surface treatment | 1. Galvanized 2. Black and color painting 3. Transparent oil,anti-rust oil 4. According to clients requirement |
| Application | 1. Fence, greenhouse, door pipe 2. For both indoor and outdoor the building construction |
| Specifications | Square pipe: 20x20mm to 400x400mm Rectangular pipe: 20x40mm to 300x500mm |
| Wall Thickness | 1.0mm to 30mm (pre galvainzed 0.8mm to 2.2mm) |
| Length | common 5.8m or 6m or 12m, or cutted as required 2m to 12m |
| Technique | Hot Rolled |
| Certificate | ISO 9001 / ISO 18001 / ISO 14001 / CE |
| Packing | Bundle, or with all kinds of colors PVC or as your requirements |
| Standard | ASTM A500, EN10219, JIS3466, GB/T 6728,EN10210 |
| Anti-rusty coating | pre-galvanized (Zinc coating: 40-80g/m2) hot dipped galvanized (Zinc coating: 200-600g/m2 ) |
| lace of Origin | Tianjin, China |
| Delivery time | 15-45 days (based on quantity) after receiving advanced payment by T/T or LC . |
| Trade terms | FOB/ CIF/ CFR / FCA / EXW |
| Payment terms | T/T or L/C |
| Main market | Southeast Asia, South Asia, Middle East, Europe, Middle&South Americ, Africa and Oceania |
Production Equipment
Square Hollow Pipe Manufacture
The flat plate or strip of carbon steel is formed into Square hollow profiles through a forming machine, which can include cold forming or hot forming
Raw Materials
Starting from high-quality flat steel plates or coils, usually made of carbon steel.
Welding
The edges of the formed steel strip are heated using high-frequency induction, and pressure is applied to create a strong weld
Cutting and Shaping
The continuous galvanized tube is cut into specific lengths
Testing And Certificates
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| BS EN10219 Certificate | ISO9001 GBT19001 |
Packing & Delivery
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