Mining & CrushersGrinding Mill Liners
Ball mill liner / lifter bar
Weight: 5–200 kg. Hi-chrome white iron: eutectic carbide volume 30–45%. Hardness 600–700 HBN. Life measured in tonnes ground per tonne of liner. OEM or end-user defines material grade.
Specifications
Material
27%Cr Hi-Chrome white iron (dominant for hard ore / high ball charge); Mn14Cr2 (impact-moderate); Cr15MoNi martensitic
Grades
Mn14Cr2
Material Class
White IronHi-Chrome
Service Conditions
impact loading
Common Processes
Sand casting (green or resin); heat treat (white iron: destabilise 940°C + temper 280°C; Mn: solution anneal)
NDT & Inspection
Hardness (HRC/HBN profile – surface and cross-section); microstructure; chemical analysis; dimensional; VT
Typical Specs & Notes
Weight: 5–200 kg. Hi-chrome white iron: eutectic carbide volume 30–45%. Hardness 600–700 HBN. Life measured in tonnes ground per tonne of liner. OEM or end-user defines material grade.