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Standard API SPEC 5CT
Specifications of tubing
OD in |
OD mm | weight T&C, kg/m | wall thickness mm
| Steel grade | |
NUE | EUE | ||||
2 3/8 | 60.32 | 6.85 | 6.99 | 4.83 | J55 N80-1 |
2 7/8 | 73.02 | 9.52 | 9.67 | 5.51 | |
3 1/2 | 88.90 | 13.69 | 13.84 | 6.45 | |
Note N-Non upest;U-External T&C-Threaded and coupled
Length range of tubing
tubing | Scope 1 | Scope 2 | Scope 3 |
6.10m~7.32m | 8.53m~9.75m | 11.58m~12.80m |
Note can be produced according to the customer's requirements.
Mechanical Capacity
Standard | Steel grade
| Yield strength MPa | Tensile strength MPa | Under load total elongation | Hardness max | Specified Wall Thickness mm | allow hardness transformation HRC | ||
min | max | min | HRC | HBW | |||||
API 5CT | J55 | 379 | 552 | 517 | 0.5 | - | - | - | - |
N80-1 | 552 | 758 | 689 | 0.5 | - | - | - | - | |
tubing