Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of erw galvanized iron pipe for building material china manufacture in China. Welcome to consult the quotation and import cheap erw galvanized iron pipe for building material china manufacture made in China here from our factory.
Product basic Info
ERW galvanized iron tubes are made of pre-galvanized steel strips. The pre-galvanized steel strips welded into round tubes then to square or rectangular tubes. We have passivation progress to avoid rusting.
| Pre-Galvanized Steel Tube (Zinc Coat : 30-275g/m2) | |||||||
| Round Steel Tube | |||||||
| Standard | Outer Diameter | Diameter Tolerance | Wall Thickness | Thickness Tolerance | Length | Length Tolerance | |
| Q195 Q215 Q235 | inch | mm | mm | mm | % | m | mm |
| 1/2'' | 20 | ±0.5 |
0.6-2.2 |
5 | 3-12 | +20, -0 | |
| 3/4'' | 25 | ±0.5 | 0.6-2.2 | 5 | 3-12 | +20, -0 | |
| 25.4 | ±0.5 | 0.6-2.2 | 5 | 3-12 | +20, -0 | ||
| 1'' | 32 | ±0.5 | 0.7-2.2 | 5 | 3-12 | +20, -0 | |
| 38 | ±0.5 | 0.7-2.2 | 5 | 3-12 | +20, -0 | ||
| 1 1/4'' | 40 | ±0.5 | 0.7-2.2 | 5 | 3-12 | +20, -0 | |
| 42 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | ||
| 1 1/2'' | 47 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | |
| 48 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | ||
| 2'' | 59 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | |
| 60 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | ||
| 2 1/2'' | 75 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | |
| 3'' | 87 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | |
| 4'' | 114 | ±0.5 | 1.0-2.3 | 5 | 3-12 | +20, -0 | |
Our Processing
Our factory has strong technology for further process of steel pipes.
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Cutting
We offer precision cutting on lengths of pipes with wide range. The type of cutting used depends on both the size of the pipe and the required precision.
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Beveling
We can apply any type of bevel to any degree required. Beveling can be applied to the face of any size or diameter of pipe.
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Threading
Threaded pipes can provide an effective seal for pipes transporting luquids, gas, steam and hydaulic fluid. We can thread any length of pipe in diameters ranging from 1/8''-8''. Tapers are available are NPT, BSPT, NPS, 3/16'' peerless, and 8 round taper.
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Grooving
Roll grooving can be done in any style according to industry standards. It can be applied to any length of pipe ranging from 1''-12'' diameters.
Contact us
Name: Iris Zhang
E-mail: iris@tytgg.com.cn
Mobile & Whatsapp: +86 18622939671
Skype：+86 18622939671
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