Quality Standards of Casing and Tubing:
API 5CT Specification for Casing and Tubing
SY/T 6194 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells
BS EN ISO 11960 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells
NF M87-207 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells
JIS G3439 seamless steel oil well casing, tubing and drill pipe
ISO 4270 Steel tube for well casing pipes
GOST 632-80 Casing and Coupling
Material:
API 5CT:
H40, J55, K55, N80-1, N80Q, R95, L80-1, L80-9Cr, L80-13Cr, C90, T95, C110, P110, Q125, V150
Connection:
Casing: LTC, STC, BTC, NEW VAM, VAM TOP, VAM FJL, VAM ACE etc.
Tubing: NU, EU, XL, PH-4, PH-6, LTC, STC, BTC, NEW VAM, VAM TOP, VAM FJL, VAM ACE etc.
![casing2 casing2](https://srmaterial.com/wp-content/uploads/2018/05/casing2.jpg)
![casing1 casing1](https://srmaterial.com/wp-content/uploads/2018/05/casing1-1024x577.jpg)
API 5CT CASING SPECIFICATION TABLE
![Casing size 1 Casing size 1](https://srmaterial.com/wp-content/uploads/2018/05/Casing-size-1.png)
![Casing size 2 Casing size 2](https://srmaterial.com/wp-content/uploads/2018/05/Casing-size-2.png)
![casing size 3 casing size 3](https://srmaterial.com/wp-content/uploads/2018/05/casing-size-3.png)
![tubing2 tubing2](https://srmaterial.com/wp-content/uploads/2018/05/tubing2.jpg)
![tubing1 tubing1](https://srmaterial.com/wp-content/uploads/2018/05/tubing1.jpg)
API 5CT TUBING SPECIFICATION TABLE
![tubing sizes 1 tubing sizes 1](https://srmaterial.com/wp-content/uploads/2018/05/tubing-sizes-1.png)
![tubing size 2 tubing size 2](https://srmaterial.com/wp-content/uploads/2018/05/tubing-size-2.png)
Special Threads
![special threads special threads](https://srmaterial.com/wp-content/uploads/2018/05/special-threads.png)