Shredder grating with extended service life

General information
Name of center
SSAB
Description of the case

The grates are used for aluminium cans recycling.

Originally the grates were cut / fabricated from astralloy V plate. At that time the grates were not hardfaced and overlayed with tungsten carbide. The grates have been redesigned to be cut from

Hardox 450 steel plate and hardfaced with complex carbide overlay.

Grates Original Design ‐Astralloy V Plate / No Overlay = 3,000,000 Lbs/ 1.360.777 kg  recycled aluminum before failure

Grate redesign ‐Hardox 450 plate / complex carbide overlay = 70,000,000 Lbs/ 31.751.465 kg  recycled aluminum before failure

 

 


End customer
Industry
Recycling
Raw material processed
Aluminum scrap
Wear part
Equipment
Shredders / Screens
Temperature
0 – 250 °C / 32 – 480 °F
Processed material size
10 – 300 mm / 0.4 – 12.0 "
Solution
New solution
Hardox 450
Key success factors
Improved service life
20 times
180