Shredder grating with extended service life

General information
Name of center
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
Raw material processed
Aluminum scrap
Wear part
0 – 250 °C / 32 – 480 °F
Processed material size
10 – 300 mm / 0.4 – 12.0 "
New solution
Hardox® 450
Key success factors
Improved service life
20 times