SSAB customer case - Crusher knives with long service life

End customer
Industry
Coal and energy
Raw material processed
Other abrasive materials
Wear part
Equipment
Schredders / Knives
Temperature
0 – 250 °C / 32 – 480 °F
Processed material size
10 – 300 mm / 0.4 – 12.0 "
Solution
New solution
Hardox 550
Thickness
30 mm
Service life
1100 hours
Key success factors
Improved service life
General information
Name of center
SSAB
Description of the case
Lignite crusher knives in Hardox 550. In coal power plant. The rotational speed in the crusher is about 230 rpm. 2 x 6 pairs of wings. Dimensions: 700 mm x 450 mm for each wing. Previously: St 37 with hard facing. Service life 950 hours. New solution: Hardox 550, 30 mm. Service life 1100 hours .
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