Boiler Services

Industry boiler services to protect components against high-temperature erosion and corrosion

WSI is the largest global automated repair provider, offering comprehensive boiler services, including corrosion and erosion-resistant weld metal overlays. Our industrial boiler repair solutions are applied to boilers worldwide, ensuring optimal surface protection in the most demanding environments.

With over 30 years of experience in boiler repair and protection, WSI’s Unifuse® technology provides superior surface protection for waste-to-energy boilers, biomass boilers, coal-fired boilers, black liquor recovery boilers, and furnaces and hoods in steel manufacturing. Our Unifuse weld overlay, both shop and field-applied, is the leading method for preventing boiler erosion and corrosion.

Unifuse 360 technology for proven boiler tube protection

WSI’s Unifuse 360 technology extends boiler tube life and reduces maintenance costs, inspections, and fabrication problems. Unifuse 360 provides comprehensive 360° protection against corrosion and erosion for boiler tubes. Our facilities can apply overlay thicknesses of 1.2-3.0 mm (or more with multilayer overlay) to tubes and headers up to 15 meters long and with diameters between 21–273 mm.

• Replace high-maintenance mechanical tube shielding
• Customize erosion resistance in soot-blower lanes
• Provide 360° protection from corrosion and erosion

Our superior boiler repair technology, engineering resources, and automated processes offer a world-class boiler service solution, delivering consistency, quality, and value. Manufactured according to PED and ASME regulations, Unifuse 360 tubes provide excellent heat transfer with the longest reliable working life.

Unifuse 180 technology for boiler panel life extension

The Unifuse 180 technology integrates multiple elements to deliver the best-performing weld overlay panel protection in the field or shop. Unifuse 180 provides high-quality surface protection for boiler panels. Our facilities include GMAW technology and panel mounting systems capable of overlaying flat panels up to 18 meters long and 2 meters wide.

• Sophisticated engineering analysis to address predicted welding stresses
• Metallurgical support for optimized alloy selection
• Precision application equipment for consistent deposition control
• Minimization of heat input for optimal chemistry and minimal distortion stress
• Experienced application specialists

WSI has the longest track record and extensive experience delivering boiler overlay services for pressure boundary restoration or preservation. As a leader in developing engineered solutions and applying specialty welded metal overlays, WSI is unequaled in its ability to deliver an optimal solution for boiler panel protection.