| Customization: | Available |
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| Transport Package: | Wooden Box |
| Specification: | 500*500*500 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Couplings are short lengths of pipe used to connect 2 joints of tubing or casing.
They come with painted colour codes on their external surface to indicate their grades.
Couplings are manufactured according to API 5CT and 5B specifications.
Coupling manufactured from 1-1/3" to 30" according to API standard. It is treated with phosphating or copper plating and have good abrasion& corrosion resistance. Threads have strong viscous resistance. Also customized couplings can be supplied according to special requirement, such as special-clearance coupling, combination coupling, reducing coupling, seal-ring coupling, special-bevel tubing coupling, ect.
| Specification | ||
| Size (Pipe OD) (in) | 1.900, 2-3/8, 2-7/8, 3-1/2, 4, 4-1/2 | |
| Upset |
Non Upset External Upset |
|
| Grade | J-55, C-75, L-80, N-80, C-95, P-110 | |
| Option |
Electro-zinc plated Phosphorised |
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| Specification | ||
| Size (Pipe OD) (in) | 4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16, 18-5/8, 20 | |
| Threading |
Short Round-Thread Casing (STC) Long Round-Thread Casing (LC) Buttress Thread Casing (BC) |
|
| Grade | H-40, J-55, K-55, C-75, L-80, N-80, C-95, AS-95, P-110, L80-13CR | |
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