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Corrosion is a natural process that converts metal into a chemically stable form such as oxide or sulfide. Generally, it is the deterioration of the material. This is where weld overlay comes into play.

Weld overlay, can be also known as cladding, is the process where one or more metals are joined by welding to the surface of a base metal, usually adding either corrosion resistant or hard facing layer to it. Weld overlay provides protection for products such as pipes, valves, fittings, internals on vessels and vessels used in any hostile environment.

While most components have corrosion resistance built into their walls, weld overlay provides surface protection, allowing materials to meet strength requirements for specific codes and standards; this allows the equipment to operate efficiently. Weld overlay can be applied to any weldable base material such as carbon steel, chrome moly, low alloy steel and stainless steel.

Why choose U.W.O?

For over 25 years, Universal Weld Overlay (U.W.O) specializes in weld overlays of fabricated and prefabricated components for service in corrosive and erosive environments. We have been supplying solutions to markets including oil and gas, pulp and paper, petrochemicals, power, pipeline, mining, and fabrication.

U.W.O. works closely with ABSA for our shop and our field service offering for the following ASME requirements. 

Div. 1 & 2 field vessel repair or alteration requirements performed under ASME Section VIII: 

  • ASME BPVC Section VIII Division I and Division II pressure vessels 
  • ASME Section I, Power Boilers and Section IV Heating Boilers 
  • ASME Section I, ASME B31.3 and API 530 Direct Fired Heaters 
  • ASME Section I, Direct Fired Heater Coils 
  • ASME B31.3, B31.1 Power Piping and B31.1 Boiler External Piping 

By deploying cutting-edge welding equipment and procedures, we provide reliable corrosion and erosion resistance for all fabricated needs. Our quality assurance increases up-time, enhances performance, reduces maintenance and adds value to your weld overlays projects.