Mining & CrushersCone Crusher
Bowl liner (concave) – outer crushing surface (stationary)
Must be matched profile to mantle – gap uniformity critical for product gradation. Common material: Mn14Cr2 for most quarry applications. Cr content improves resistance to polishing wear.
Specifications
Material
Hadfield Mn steel ASTM A128 Gr B-3 / Mn14Cr2 / Mn18Cr2; 27% Cr white iron
Grades
Mn14Cr2;Mn18Cr2
Material Class
HadfieldWhite IronMn Steel
Applicable Standards
ASTM A128
Common Processes
Sand casting; solution anneal (Mn) or stress relieve (white iron)
NDT & Inspection
Chemical analysis; microstructure; dimensional (concave surface profile, parallel to mantle); VT; impact test (Mn)
Typical Specs & Notes
Must be matched profile to mantle – gap uniformity critical for product gradation. Common material: Mn14Cr2 for most quarry applications. Cr content improves resistance to polishing wear.
⚠ Caveats
Must be matched profile to mantle – gap uniformity critical for product gradation.