Connections Surface treatments
In order to ensure the functional efficiency of a connection, even after multiple make-up operations, surface treatments are applied to the box, the pin or to both. The surface treatments are applied to improve:
- the resistance to galling;
- the sealing capability;
- the resistance to corrosion.
Below the effect of the different surface treatments on these phenomena is highlighted. First a brief description of the most common treatment is given.
1 Process descriptions
The following surface treatments are used:
Phosphating Phosphating is . . .