High manganese steel (Mn13Cr2, Mn18Cr2) — Work-hardens under ball impact. Surface reaches 500+ HB. Best for dry grinding and coarse feed. Bolt-in liner design, replaceable in sections without removing the mill shell.
High chromium alloy (Cr20–Cr26) — Through-hardened to HRC 58–62. No work hardening needed — full hardness from day one. Better for wet grinding and fine feed where impact is lower. Corrosion resistance suits wet process circuits.
Design types
Wave liners — for fine grinding, lifts balls to mid-height.
Step liners — for coarse feed, higher ball lift, more impact energy.
Classifying liners — graded profile sorts grinding media by size along the mill length.
Custom profiles — send your drawing or worn sample for reverse engineering.
Liners supplied as complete mill sets or individual rows. Bolt pattern matched to your shell drilling.
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