API 5CT L80 Casing
GNEE's API 5CT L80 Steel Tubing Pipe is produced using various manufacturing processes, including hot working or cold working, and then the pipe is subjected to various tests such as flattening test, hydrostatic test or non-destructive electrical test to ensure that the specified requirements are met.
In the oil industry, API 5CT L80 oil well casing is placed downhole to provide structural integrity to the wellbore and must withstand the external collapse pressure of the rock formation and the internal yield pressure of fluids and gases. In addition, hydrogen sulfide will cause great stress on the pipeline, especially when welding the pipeline, however, API 5CT L80 steel alloy pipe can withstand corrosion from byproducts such as carbon dioxide and hydrogen sulfide.
All API 5CT L80 seamless steel pipes need to be heat treated. L80-1 should be heat treated throughout the body and the entire length. L80 9Cr, L80 13Cr can be air quenched.
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All API 5CT L80 Casing steel pipe Chemical Composition
| C | Mn | Mo | Cr | Ni | Cu | Ti | P | S | Si | V | Al | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | 0.430 | 1.900 | 0.250 | 0.350 | 0.030 | 0.030 | 0.450 |
L80 carbon Pipe Dimension Tolerance
|
Types of steel tubes |
Outer Diameter |
Wall Thickness |
|
|
Cold-rolled tubes |
Tube sizes (mm) |
Tolerances (mm) |
Tolerances (mm) |
|
114.3 |
0.79 |
12.5% |
|
L80 Drilling 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 Packaging and shipping

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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