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API Tubing

1. Type: Tubing pipe, Oil tubing, API tubing well tubing
2. Application: Oil & Gas transmission, etc.
3. OD: 48.26-114.3mm, WT: 3.18-16mm, L: R1, R2, R3
4. Standard & Grade: API 5CT J55/K55/N80/C75/L80/C90/T95/Q125
5. End: Square cut, Beveled, With NUE/EUE Connection

What is API tubing

API tubing is used to transport crude oil or natural gas from the layer of the oil and natural gas to surface. It has better pressure during oil or gas production and smaller diameters. When the tubing runs into a well to serve as a conduit for the oil and gas. It can withstand the pressure when the energy extraction process. Tubing can adequately resist loads and deformations associated with production and workovers. The manufacturing process same as casing. But it has added a manufacturing process to thicken the tubing.

Size of API tubing 


Manufacturing process of API tubing


Standard of API tubing

API standard steels and grades for tubing: J55, C75, L80, N80, C90, and P105. The letter is a characteristic of the chemical composition and sometimes the thermal treatment. The number following the letter is the minimum body yield stress in 1000 psi. And it is the minimum body yield stress guaranteed by the manufacturer.

API standard as per API tubing:


Application of API tubing

  • Extracting Oil or Gas from Wells

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