Coal mine dragline excavator chain rails with extended service life

Center name

SSAB

Publish Date

July 26, 2021

Description of the case

Sliding rails for dragline excavator chain passes over sliding wear bars without lubrication. Sometimes small particles of coal,rocks and sand get stuck in beetween. At combination of sliding /squeezing wear. Hardox® 600 works much better than the original Mn steel. The service life is improved from 2 to 6 months.