SSAB customer case - Gravel washing paddles with long service life

End customer
Industry
Quarries and sand
Raw material processed
Common rocks
Wear part
Equipment
Log washers / Paddles
Temperature
0 – 250 °C / 32 – 480 °F
Processed material size
10 – 300 mm / 0.4 – 12.0 "
Solution
New solution
Hardox 550
Thickness
15 mm
Service life
+500%
Key success factors
Improved service life
500%
General information
Name of center
SSAB
Description of the case

Paddles in a gravel washer which move water and limestone forward.


Thickness: 15 - 60 mm
Description of the wear part:  Washing and further transportation of gravel and defragmentation of  coal, clay mixed with water and other abrasives.


Competitive advantage: Long service life due to proper grade of steel used along the entire material flow.


For liners with heavy wear is Hardox 550 used and Hardox 450 for the middle level of wear


Wear life is more than 5 times better than mild steel
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