Customized Anti-Wear Tile
A boiler anti-wear tile is a specialized metal protective device that mounts onto the windward side of boiler heating surfaces to shield pipes from continuous particle impact. In CFB boiler applications, where circulating solids create intense mechanical wear, these anti-wear tiles are indispensable. They are also widely deployed across boiler superheater erosion shields and economizer tube protection systems.
Our offering stands out through full customization-we produce boiler tube erosion covers tailored to your specific requirements, including:
- Straight-run sections and curved tube bends;
- Custom radii covering U-shaped, L-shaped, and semi-circular geometries;
- Dimension-matched designs for different tube diameters and wall thicknesses;
- On-site welding compatibility with pre-attached snap rings and positioning tabs.
Whether you need customized boiler tube erosion shields for superheaters or high-temperature refractory tile retrofits for CFB cyclones, we deliver precision-engineered solutions that match your exact operational demands.
What makes 304 stainless steel the ideal material for boiler anti-wear applications? Our products are manufactured from premium-grade AISI 304 stainless steel, an austenitic chromium-nickel alloy containing 18–20% chromium and 8–10.5% nickel. This balanced composition delivers a suite of proven technical properties that users can rely on.
Superior High-Temperature Performance
Operating within a range of -196℃ up to 870℃, our anti-wear tile maintains structural integrity even in demanding thermal conditions. Its austenitic face-centered cubic microstructure provides excellent ductility and toughness, resisting deformation under repeated thermal cycling. This is especially critical for CFB boiler environments, which routinely operate at 850–950℃ with frequent thermal fluctuations.
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Chromium in the alloy forms a self-healing passive oxide layer that continuously protects the underlying material in oxidizing atmospheres. This inherent property makes the anti-wear tile highly resistant to corrosion from high-temperature flue gases, sulfur compounds, and moisture-related byproducts, significantly reducing oxidation-induced material loss compared to carbon steel alternatives.
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Our tile material delivers yield strength >=205 MPa, tensile strength >=520 MPa, and elongation >=40%. The combination of high strength with good formability means our anti-wear tiles can absorb significant abrasive impact without cracking, while the smooth surface finish reduces friction and particle adhesion during operation.
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304 stainless steel is renowned for its excellent welding characteristics. We recommend 308L filler metal for 304-to-304 welding, ensuring consistent corrosion resistance across weld zones. Our customization process leverages investment/lost-wax precision casting technology, enabling us to produce complex, near-net-shape anti-wear tiles with tight dimensional tolerances and superior surface finishes.
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Long-term Durability and Reliability
Independent research confirms that hard-faced overlay materials exhibit significantly better erosion and wear resistance in power boiler components. Our 304 stainless steel boiler anti-wear tile delivers extended service intervals, reducing unplanned downtime and lowering overall maintenance costs for your facility.
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Our customized anti-wear tile production process begins with a detailed consultation to understand your specific boiler configuration, operating environment, and performance goals. We then determine the ideal material grade, thickness, shape, and dimensions to match your requirements.
Base selection of 304 stainless steel, with alternatives including 309S, 310S, and 316L grades for higher-temperature or more aggressive corrosion scenarios;
Tailored to fit straight boiler tubes, large-radius elbow erosion shields, and specialty tube configurations;
Including lap-welded snap rings spaced 200–500mm apart for secure attachment and prevention of thermal expansion-related loosening;
Customized plate thickness for different wear intensities and operating pressures.
This engineering-first approach ensures that each anti-wear tile performs effectively in its intended application while minimizing installation complexity and material waste.
Shields the combustion chamber's water-cooled tubes from dense-phase particle impact, reducing tube erosion risks;
Protects high-temperature superheater tube bundles from high-velocity fly ash abrasion in the upper furnace region;
Economizer Anti-Wear Cover
CFB Boiler Advanced Anti-Wear System
Functions as a critical erosion shield for high-circulation-ratio CFB environments, where solid particle loading accelerates heating surface degradation without proper protection.
What material grades are available besides 304 stainless steel?
Yes-we also offer 309S, 310S, and 316L stainless steel for higher-temperature or more chemically aggressive environments. We help you select the optimal grade for your specific operation.
Lead times vary depending on order volume and customization complexity. Standard production typically ranges from 2–4 weeks, with expedited options available upon request.
Yes. For qualified orders, we can provide material test reports, dimensional inspection certificates, and, where applicable, compliance documentation to support your quality assurance requirements.
Can anti-wear tiles be installed on existing boiler systems?
Absolutely. Our customized erosion shields are designed for retrofit applications, fitting onto existing water walls, superheater tubes, and other heating surfaces with minimal modification.
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