Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of Wholesale GI Hollow Tube Pre-Galvanized Steel Pipe Factory Direct Price in China. Welcome to consult the quotation and import cheap Wholesale GI Hollow Tube Pre-Galvanized Steel Pipe Factory Direct Price made in China here from our factory.
Galvanized steel square hollow
|
Galvanized steel square hollow(Zinc coat:30-270g/m2) |
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| Standard | Side Length(mm) | Common Tube(mm) | ||||
|
Q195 Q215 Q235 |
DN | Side Length Tolerance |
Thickness | Length | Length Tolerance |
|
| 16 | 16 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 19 | 19 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 20 | 20 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 20 | 40 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 25 | 25 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 25 | 50 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 25 | 75 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 30 | 30 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 30 | 40 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 30 | 50 | +0.4, -0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 32 | 32 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 35 | 35 | ±0.5 | 0.7-2.2 | 3000-12000 | +20, -0 | |
| 37 | 57 | +0.4, -0.5 | 0.8-2.3 | 3000-12000 | +20, -0 | |
| 37 | 77 | ±0.5 | 0.8-2.3 | 3000-12000 | +20, -0 | |
| 38 | 38 | +0.4, -0.5 | 0.8-2.3 | 3000-12000 | +20, -0 | |
| 38 | 75 | +0.5, -0.6 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 50 | 75 | +0.5, -0.6 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 40 | 40 | +0.4, -0.5 | 0.8-2.3 | 3000-12000 | +20, -0 | |
| 40 | 60 | ±0.5 | 0.8-2.3 | 3000-12000 | +20, -0 | |
| 50 | 50 | ±0.5 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 40 | 80 | +0.5, -0.6 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 50 | 75 | +0.5, -0.6 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 60 | 60 | +0.5, -0.6 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 50 | 100 | ±0.7 | 1.0-2.3 | 3000-12000 | +20, -0 | |
| 50 | 150 | ±0.8 | 1.0-2.3 | 3000-12000 | +20, -0 | |
Production processes:
Tianjin TianYingTai(TYT) Steel Pipe Co., Ltd is located in Jinghai, Tianjin, which is professionally engaged in steel production sales, steel processing, greenhouse engineering with accessories and export business. It has been experienced for 15 years so far. We have 13 production lines for various kinds of steel pipe, 10 processing production lines and 2 environmental production hot-dipped galvanizing lines. We not only can produce 450,000 tons of various sizes of ERW steel pipe, but also can produce deep processing pipe with 100,000 tons. Our annual production capacity of hot dipped galvanized steel pipe is 200,000 tons, capacity of greenhouse engineering material is 250,000 tons and highway column and guardrail is 200,000 tons.
Tianjin TianYingTai Imports & Exports Trade Co., LTD is our export company. We have achieved trading capacity 60,000 tons in 2016. Our products are widely used in agriculture, animal husbandry , chemical industry, machinery, construction, utilities, vehicle and other fields. Our customers are from Asia, the Middle East, the Southeast Asia, European Union and other countries.
Quality Inspection:
1.Our factory has its own "experimental testing center".CNAS Laboratory Accreditation Certificate (the second private enterprise to obtain this certificate)
2.Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the production quality .
3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.
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