Q235B DN700 Large Diameter Spiral Welded Pipe
一, Characteristics
1. High strength: DN700 spiral steel pipe is made of high-strength steel, which has high tensile strength and yield point and can withstand large pressure and bending stress.
2. Corrosion resistance: The spiral steel pipe is protected by an anti-corrosion layer, which can effectively prevent corrosion of the pipeline by the medium and extend the service life of the pipeline.
3. Good sealing performance: The spiral steel pipe is connected by welding, which can ensure the sealing performance of the pipeline and prevent medium leakage.
4. Convenient construction: The installation and maintenance of spiral steel pipes are relatively convenient, which can save labor and material costs.
二, Manufacturing process
The manufacturing process of DN700 spiral steel pipe mainly includes the following steps:
1. Steel plate cutting: Cut the steel plate into strip steel plates of a certain length and width as required.
2. Plate rolling forming: roll the strip steel plate into a circular steel pipe and weld it.
3. Anti-corrosion treatment: The welded steel pipes are treated with an anti-corrosion layer to enhance the corrosion resistance of the pipes.
4. Quality inspection: Conduct quality inspection on the manufactured spiral steel pipes, including appearance inspection, dimensional inspection, pressure test, etc.
| After-sales Service: | 5 Years |
|---|---|
| Warranty: | 5 Years |
| Type: | Welded |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
FAQ:
1.Do you provide free samples?
Yes, we can provide free sample for testing. Buyer should bear all the shipping costs.
2. How long is your delivery time?
Generally it is 3-7 days if the goods are in stock or it is 7-15 days if the goods are not in stock. It is according to quantity.
3. What is your terms of payment ?
We accept T/T, L/C. The payment method can be negotiated by both parties according to the actual situation.
4.What is package?
Standard export packing(PVC+waterproof paper +sea-worthy wooden packing).
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