High Manganese Steel Roller Shell for Roller Crusher
Our high manganese steel roller shell (crusher roller) is the core wear component for roller crushers, widely used in ore mining, quarry and sand making. Made of high manganese steel with impact-hardening property, it gains higher hardness under continuous material impact, delivering excellent wear resistance and long service life. We supply smooth rollers and toothed rollers for various roller crusher models, OEM customization supported.
ore Advantages- High manganese steel material, work-hardening performance, better wear resistance under impact
- Available in smooth type and toothed type for different crushing demands
- Fit multiple roller crusher models for mining, quarry and sand plant
- Precision casting, stable structure, long service life
- Custom size, tooth shape and specification by customer drawings
Manganese steel: A traditional material that hardens and gains wear resistance under heavy impact. Alloy steel: Such as 42CrMo, featuring excellent comprehensive mechanical properties. High-chromium cast iron / bimetallic composite material: The mainstream premium option at present. The tooth section adopts highly wear-resistant high-chromium cast iron, while the roll core uses high-toughness carbon steel. This composite casting process extends the service life of the roll cylinder to 2–3 times that of conventional materials.
Advanced Manufacturing ProcessesDiverse tooth profiles: Pointed teeth, cutter teeth, corrugated teeth, and custom designs are available. Surfacing welding technology: For new roll production or old roll repair, superhard alloys such as tungsten carbide can be overlaid on the surface to greatly improve the wear resistance of the roll cylinder. Heat treatment technology: Quenching, tempering and other processes are applied to optimize the hardness and toughness of the roll surface and roll core. Sleeve / tooth ring design: The toothed roller is no longer a single piece. It consists of a wear-resistant alloy steel sleeve or tooth ring mounted on a tough carbon steel roll core.

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