Evidence-first editorial standard
This guide separates observed facts, engineering assumptions and data that still require confirmation. It does not promise a universal service life or replace the exact product data and project specification.
Anti-wear is a family of answers, not a single product
A search for anti-wear solutions returns plates, elbows, castings, coatings and linings side by side, as though they were interchangeable. They are not: each family resists a different mechanism, and a plate that excels under sliding ore can fail quickly under impact or fine-particle erosion. The useful first question is which mechanism removes material in your equipment — sliding abrasion, impact, erosion by a particle-laden flow, or a combination — and the guide to the three wear mechanisms shows how to tell them apart from the worn surface itself.
Wear plates: hardness, toughness and the way they are fixed
Abrasion-resistant steel plate is ductile, weldable and easy to modify on site, which makes it the default where impact and structural load dominate. Hardfaced or overlay plates add a hard deposited layer to a steel backing, raising sliding resistance while keeping a weldable base. Ceramic plates — alumina tiles and zirconia-toughened alumina blocks — bring a much harder face for sliding and erosion, but they are brittle and depend entirely on their retention: bonded, welded through a stud, or moulded into rubber. Rubber and polyurethane sheet resist fine wet abrasion and absorb rebound, but are sensitive to sharp coarse lumps, heat and some chemicals. Comparing them on a single hardness figure misses the point, as the comparison of ceramic and AR steel explains.
Anti-wear elbows: the outer radius decides the service life
In any bend carrying slurry or pneumatically conveyed solids, particles are thrown against the outer radius, so wear concentrates in a narrow band instead of spreading evenly. The options follow from that: thick-walled fittings cast in abrasion-resistant iron, elbows with sacrificial material added on the outer radius, rubber- or polyurethane-lined bends for fine slurries, and ceramic-lined elbows where a hard continuous face is needed. The joint between the elbow and the straight run matters as much as the liner, because a step at the flange starts turbulence and local erosion — the comparison of ceramic-lined, Ni-Hard and wearback pipe works through these choices fitting by fitting.
Anti-wear parts: when the geometry is the problem
Some wear surfaces are not flat enough for plates and not round enough for pipe: cyclone cones and spigots, distributor nozzles, classifier blades, fan casings, feeder lips. Here the answer is usually a shaped part — a cast insert, a moulded composite or a custom ceramic — designed around the real geometry and around the way it will be fixed and replaced. The cost driver is rarely the material itself; it is how the part is held, how it is inspected and whether it can be changed within a normal outage. A part made to drawing needs the worn original or its dimensions, the operating conditions and the replacement interval targeted, which is where IC CUSTOM starts.
Matching the family to the duty
A few rules hold across sectors. Where impact energy is high, toughness and mass come first, and a hard brittle face needs a resilient backing or a tougher ceramic. Where wear is sliding or erosive along a stable path, the hardest practical face usually lasts longest, provided it stays attached. Where particles are fine and the flow is wet, resilient linings often compete well. Where heat, solvents or oxidising chemicals are present, rubber and adhesive bond lines become the limit, and the fixing method is chosen before the wear face. Most installations end up with more than one family in the same piece of equipment, zone by zone — the approach behind our chute and hopper linings.
What to send to obtain a useful proposal
Describe the equipment and its geometry, the material handled with its particle size and moisture, the throughput, the temperature, the current lining and how it failed, the service life obtained today and the outage interval you need to reach. Add dated photographs of the worn surface. With that, a supplier can propose the right family for each zone instead of one product for everything, and you can compare offers on the same basis. When ceramic is among the options, the ceramic wear lining selection guide details the decision path.