Tubing Couplings
The production of couplings for tubing pipes according to the GOST 633-80, which are used to move gases and liquids inside oil wells and to perform lifting and lowering and repair operations. Tubing couplings are made of seamless hot-forged pipes with constant quality control at all the production stages. Each tubing coupling produced is coated with bonderite. Couplings for tubing pipes by the OMBP are produced using Daewoo Doosan and SMEC equipment under strict quality control, which allows us to guarantee the high quality of all the products.
Grade | Minimal Tensile Strength, N/mm^2 | Yield Strength, N/mm^2 | Minimal Relative Elongation, % |
Д, design А | 655 | 379 - 552 | 14,3 |
Д, design Б | 638 | 373 | 16 |
K | 687 | 491 | 12 |
E | 689 | 552-758 | 13 |