API 5L 3 Lpe Coated X70 20 Inch Carbon Steel Pipe ERW Steel Pipe Erw Round Steel Tube

Steel Pipes manufacturers and Exports huge range of ERW Steel Tubes & other Steel Pipes. For pipes or tubes size 4 inch (10.2mm) OD and below, strip is fed into a set of forming rolls which consists of horizontal and vertical rollers so placed as to gradually from the flat strip in to a tube which is then allowed to pass the welding electrodes. The electrodes are copper disks connected to the secondary of a revolving transformer assembly. The copper disk electrodes make contact on each side of the seam and temperature is raised to the welding point.

Products Description:

Because of the unique performance of the ERW steel pipe, when ERW steel pipe blasting occurred, the weld suffered stress and co-stress is relatively small, blasting the mouth is generally not the origin of the spiral weld, so the higher security. Spiral weld near the defect with parallel spiral weld force is smaller, so the risk of expansion is not.

Products Pictures:

Packaging&Transportation :

Company Profile :

HEBEI YISHENG PIPING CO., LTD. was founded in 1998 and located in the hometown of martial art ----Cangzhou city,China. Our factory is set up in Zhangguandian Industrial Area,Mengcun County. The traffic is very convinient around our factory.

Our company mainly produce piping equipments including stainless, carbon and alloy steel pipe fittings which are used in oil project ,chemical industry and so on. We have many lines for producing elbows, Tees, educers,caps and flanges. With the most efficient machines and the advanced testing machines, we can produce varies kinds of pipe fittings for you.With it's standards covers from Japanese, American and Germany standard . In order to establish good reputation around the world's market, we will strengthen our management and improve our service continuously.

We welcome you to visit our factory in the near future and hope we can start a good relationship very soon.

FAQ

　1. Are you trading company or manufacturer?

　　We are manufacturer .

　2. How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples? Is it free or extra?

　　Yes, we could offer the sample for free charge but need pay the cost of freight.

4. What is your terms of payment

Payment<=1000usd, in="" advance.="" payment="">=1000USD, 30% T/T in advance ,balance before shippment.