| After-sales Service: | Online Service |
|---|---|
| Type: | Welded |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Galvanized |
| Usage: | Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry, Construction & Decoration |
| Samples: |
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| Customization: |
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Audited Supplier 
Tianjin Youfa International Trade Co., Ltd. was founded on July 1st, 2000. Our headquarters is located in Daqiuzhuang Village, Tianjin city, which is the largest welded pipe production base in China. We are a large-scale steel pipe manufacturing enterprise that produces a wide range of pipe products.
Our product range includes:
In addition to our headquarters in Tianjin, we have 11 subsidiaries and branches in Tangshan, Handan, and Shanxi. With a total of 9000 employees, we operate 64 ERW steel pipe production lines, 42 hot-dipped galvanized steel pipe production lines, 33 square and rectangular steel pipe production lines, 15 galvanized square and rectangular steel pipe production lines, 9 SSAW steel pipe production lines, 30 steel-plastic complex steel pipe production lines, 3 national accredited laboratories, and 1 Tianjin government accredited business technology center.
In 2018, we produced a total of 16 million tons of steel pipes and achieved exports worth USD 0.16 billion. Our steel pipe production and sales have been consistently increasing by more than one million tons for nine consecutive years.
| Galvanized round steel tube specification table | |||
| Nominal diameter | Inch outside diameter | Outside diameter | Wall thickness |
| 15 | 1/2 | 20-22 | 0.7-2.75 |
| 20 | 3/4 | 24-26.5 | 0.7-2.75 |
| 25 | 1 | 31-33.4 | 0.7-3.75 |
| 32 | 1 1/4 | 40-42.5 | 0.7-4.0 |
| 40 | 1 1/2 | 46-48.3 | 0.7-7.0 |
| 50 | 2 | 57-60.3 | 0.7-7.0 |
| 65 | 2 1/2 | 74-76.3 | 0.7-7.0 |
| 80 | 3 | 86-89 | 0.7-8.0 |
| 100 | 4 | 111-114 | 0.7-9.0 |
| 125 | 5 | 138-140 | 0.9-10.0 |
| 150 | 6 | 164-165 | 1.0-11.5 |
| 200 | 8 | 218-219 | 1.1-12 |
Suppliers with verified business licenses
Audited Supplier 
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