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API 5CT J55 L80 N80 C90 P110 Tubing Coupling

API 5CT J55 L80 N80 C90 P110 Tubing Coupling
Couplings are short lengths of pipe used to connect 2 joints of tubing or casing. They come with painted colour codes on their external surface to indicate their grades.  API 5CT tubing couplings in various grades are known for it’s high efficiency and long service life.
Product Details:

Product Details

The API external-upset-end (EUE) tubing coupling is widely used because it is a good, serviceable connection in most wells.

Designed in accordance with API 5CT/5B and are made of good seamless steel. EUE tubing coupling cover the outer diameter from 77.80mm to 141.30mm,that is bigger than the outer diameter of the non upset threaded end product.

We carry size range of 2-3/8”, 2-7/8″, 3-1/2″, 4″ and 4-1/2″ in J55, K55, N80, P110 grade. All of our couplings meet the API Specifications 5CT/5B.

1. Size: 2-3/8” 2-7/8″, 3-1/2”, 4″, 4-1/2″
2. Standard: API 5CT 
3. Type: EUE & NUE 
4. Grade:J55/K55/N80/L80/P110
5. Packaging: wooden pallet, tight wrapped /W paper carton



Quality testing

Please assured pipe quality. Our company can offer SGS, BV, CCIC etc.

Free samples

Our company can offer free samples for quality evaluation.

After-sale service

7x24 service. Responsible for products quality.


If you are interested in our api 5ct j55 l80 n80 c90 p110 tubing coupling, welcome to place an order with our factory. As one of the leading manufacturers and suppliers in China, we are always at your service.

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