Global ꞏ August 2019

Chute liner give longer service life

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Description of the case

Common in processing: rocks and coal
Previous material: CCO on mild steel backing plate
Service life: 7 days
Hardness 55 HRC 60 HRC
Improvement needs: This is for a chute bed in coal discharge chute. The old design used the competitor's chromium carbide overlay on mild steel backing plate. The bed failed after 7 days due to impact on overlay resulting in spalling. The old design required high frequency of repair.
New Material: Duroxite® 101
Service life: 6 months

Case details

Key success factors

Improved service life: From 7 days to 6 months

New service life: 6 months

New solution
Duroxite® 101
Old solution


Industry and wearpart
Mining Fixed , Chutes and hoppers , Liner plate