Wuxi OFD Oilfield Supply Co.,Ltd. is a leading manufacturer of OCTG tubing and casing couplings. our plant Tianjin WALT Pipe Co.,Ltd. produce a full size range of 2-3/8" to 20" in carbon, alloy steel grads. All of our couplings meet the API SPEC 5CT.
Tubing Coupling Manufacturing Range
|
Size (inch) |
Steel Grade |
Thread Type |
|
2-3/8" |
J55/K55/N80/N80-Q/L80/P110 |
NU/EU/SCC/WALT-1/WALT-2 |
|
2-7/8" |
J55/K55/N80/N80-Q/L80/P110 |
NU/EU/SCC/WALT-1/WALT-2 |
|
3-1/2" |
J55/K55/N80/N80-Q/L80/P110 |
NU/EU/SCC/WALT-1/WALT-2 |
|
4" |
J55/K55/N80/N80-Q/L80/P110 |
NU/EU/SCC/WALT-1/WALT-2 |
|
4-1/2" |
J55/K55/N80/N80-Q/L80/P110
|
NU/EU/SCC/WALT-1/WALT-2 | |
