| ltem | square tube |
| application | manufacturing of building structural grids, Highway and bridge manufacturing and other field s |
| Surace treatment | Hot-dip galvanized square pipe. electro-galvanized square pipe. oiled sauare pipe. pickling square tube. |
| specification | 10*10*0.8-1.5~~500*500*10-25 |
| length | 12m/6m/3-12mfor reduest |
| standards | ASTM, ASME.EN, JIS, DIN,GB/T etc |
| Grade | carbon steel |
| Surace treatment | hot rolling |




1. ISO, BSI, FPC, UL system. TUV, API, BV audited company.
2. Price: Reasonable factory wholesale price.
Payment <=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
3. We are factory for steel pipe and scaffolding, and trading other steel products.
4. MOQ: We have stock of common sizes at hand, so one ton is accepted.
5. Strength: The company that can produce over 10 million tons welded pipe exclusively in the world. More than 12,600,000 tons and 190,000 tons (Annual production and export volume)
6. Quality: Reliable and World certified. We have two national CNAS certified laboratories, and cooperated with many big steel plate factories and retesting of raw materials.
Experience: 22 years focus on steel pipe quality.
7. Delivery: Own factory in TianJin! We are near Tianjin port, also have own transport fleet, have the most convenient transport and prompt delivery.
Generally it is 5-10 days if the goods are in stock. or it is 30 days if the goods are not in stock, it is according to quantity.
8. Shipment of goods: More than 100 countries worldwide until now.
9. Service: Friendly and Responsible, no matter before or after cooperation.
10. Choose Youfa is equal to Choose Top Guarantee!