The Process

Weld Overlay Cladding

Weld overlay cladding is a surfacing variation of welding that deposits or applies surfacing material, usually to improve corrosion, heat or wear resistance. Weld overlay cladding provides a metallurgical bond between the layer of corrosion, heat or wear resistant material and base material (or substrate); the cladded part behaves as one material.

Why choose Weld Overlay Cladding

Compared to low carbon steel materials, corrosion resistant alloys (CRA) offer greater corrosion or wear resistant properties as they contain relatively high content of elements such as chromium, nickel, copper, molybdenum, niobium and cobalt.

Weld overlay cladding is a cost-effective solution. In most cases, corrosion resistance is required only on areas that are in contact with the corrosive or erosive medium. Weld overlay cladding can achieve this as only the base material (or substrate) can be clad internally (or externally) with the chosen CRA material.

Weld overlay cladding can help save up to 60% of the total cost compared with using solid CRA material. It is widely used in the offshore oil production, oil refining and energy power generation industries.

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