Downhole Premium Drill Pipe Hot Rolled Alloy Steel Material 2 3/8" - 4 1/2"
API / Premium Connections Oil Drilling Tubing Pipe Alloy Steel Downhole Use 2 3/8"- 4 1/2"
Oil tubing description:
Oil tubing pipe is used for the transportation of crude oil and natural gas from oil or gas layer to the surface
after drilling is completed. Meanwhile, it can withstand the pressure generated during the oil production.
Features:
1. Alloy steel pipe
2. Hot-rolled processing
3. OD: 2 3/8"-4 1/2"
Technical specification:
| Pipe | Oil tubing pipe |
| Technique | Hot Rolled pipe |
| Standard | API 5CT |
| Surface | Spray paint |
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API 5CT tubing: Steel grades: H40,J55,K55,N80-1,N80-Q,L80-1,L80-9Cr,L80-13Cr,C90,C95,T95,P110,Q125 Connections: NUE,EUE, Length:6-14m; R1,R2,R3, also can be manufactured according to customers’ requirements. |
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Mechanical properties:
| steel grade | type | total elongation under load (%) |
yield strength (Mpa) |
tensile strength (Mpa) min |
hardness max |
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| min | max | HRC | HBW | ||||
| H40 | - | 0.5 | 276 | 552 | 414 | - | - |
| J55 | - | 0.5 | 379 | 552 | 517 | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
| M65 | - | 0.5 | 448 | 586 | 586 | 22 | 235 |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13 Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| P110 | - | 0.6 | 758 | 965 | 862 | - |
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