| 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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Discover high-quality hot-dipped GI round steel tubing with pre-galvanized coating. This durable and versatile steel pipe is perfect for various applications. Get the best value for your money with Tianjin Youfa International Trade Co., Ltd.
Tianjin Youfa International Trade Co., Ltd., founded on July 1st, 2000, is a large-scale steel pipe manufacturing enterprise based in Daqiuzhuang Village, Tianjin city, China. We specialize in producing various types of high-quality pipe products, including:
In addition to our headquarters in Tianjin, we have 11 subsidiaries and branches in Tangshan, Handan, and Shanxi. With a dedicated team 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 consistently increased 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 |
We have two national CNAS certified laboratories and collaborate with renowned steel plate factories for retesting of raw materials.
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