overlay and hardfacing

OVERLAY AND HARDFACING

blend-of-base-material-and-overlay
2

Recharging of special materials, overlay - cladding.

2

ASME procedures approved by DNV.

2

Refills by welding any type of parts for the Oil & Gas sector, Overlay, Cladding, Hard facing.

2

Forged or cast base materials of group 1, carbon steels.

2

Coatings of material by welding with special welding wires.

WELDING OF tubes TO VALVE BODY

2

Welding of two tubes at the ends of the valves.

2

Welding joints to 100% of thickness.

2

Automatic process MIG / MAG (GMAW) or TIG (GTAW).

2

100% Inspection by RT Radiographs.

2

100% Inspection by Penetrant Liquids.

2

Level II certified inspectors.

2

Specific welding procedures for each batch of welding wire used, according to customer specifications.

rings AND SEATS WELDING

2

Welding of the rings or seats inside the valves.

2

Positioned at 90º - 8º of inclination, or according to customer’s drawings.

2

MIG / MAG automatic process (GMAW).

2

100% Inspection by Penetrating Liquids.

2

Level II certified inspectors.

RINGS AND SEATS WELDING