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