Api 5CT K55 Oil Gas Casing Pipe
GNEE is a manufacturer, supplier and exporter of API 5CT K55 Casing and pipes which are made of high quality raw materials. GNEE products are designed as per major international standards and sold in many countries around the world.
API 5CT K55 oilfield casing is very similar to J55 but has higher ultimate tensile strength than J55 steel and better resistance to mechanical and thermal fatigue and cracking. For hot production wells, it is appropriate to use API 5CT K55 thick wall casing instead of J55 casing. The former has better resistance to thermal fatigue than the latter.
API 5CT K55 natural gas casing is used to transport crude oil or natural gas from source rock to surface wellhead. Inside the pipe is a sucker rod which is used to pump oil and gas.
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API 5CT K55 Casing Tubing Specfications
| Available Sizes | 2 3/8″, 2 7/8″ and 3 ½" Outer Diameter |
| Grades | J55, J55-FBNAU |
| Tubing | 1 1/4 " – 2 1/16" Nom. |
| Standards | API SPEC 5CT |
| Model in Common Use | 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2" |
| Length Range | R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m) |
| Steel Grade (Casing Grades, Tubing Grades) | J55, K55, N80-1, N80-Q, L80, P110 |
| Type of Screw Thread | Non upset threaded end(NUE), External upset threaded end(EUE) |
| Specialties |
Coating to customer specifications External upset Couplings – EUE, AB Modified, turned down, special clearance couplings Pup Joints Heat treating Hydrostatic Testing Drifting (Full-length, or just ends) Full third-party inspection capabilities (EMI, SEA, and Weld Line) Threading |
| End Finishing | External Upset Ends (EUE), Flush Joint, PH6 (and equivalent connections), Integral Joint (IJ) |
Api 5CT K55 OCTG casing

Why choose us
GNEE pipes and tubes have a wide range of applications in many market sectors, including the oil and gas, petrochemical and construction industries. And we can offer different properties for different purposes (e.g. corrosion protection).
Gnee Factory environment

FAQ
1. Steel pipes come in a wide range of shapes and sizes, with more choices.
2. Professional and experienced production staff provide excellent quality.
3. Strong production capacity to ensure fast delivery.
4. Mass production and raw material resources create good prices.
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