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General information
Center name
SSAB
Country
Publish Date
July 26, 2021
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
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
-
Liner plate
-
0 – 250 °C / 32 – 480 °F
-
> 300 mm / > 12.0 "
-
Coal
Old solution
Old solution
CCO-plate
Thickness
Service life
7 days
New solution
New solution
Duroxite® 101
Thickness
Service life
6 months
Key success factors
Improved service life
From 7 days to 6 months