Cone Crusher Mantle and Concave
High Manganese Steel Solution for Mining and Quarry
Mantle and concave are the core wear parts of cone crushers.
They are widely used in mining and quarry production lines,
where stable crushing performance and long service life are critical.

Working Principle
In a cone crusher, the mantle moves against the concave
to crush material continuously.
Material is compressed, sheared, and broken
between the moving and fixed liners.
The shape, material, and fitting accuracy
of mantle and concave directly affect:
Crushing efficiency
Product size stability
Equipment safety
Typical Working Conditions
Cone crushers are mainly used for medium to hard materials:
Granite
Basalt
Iron ore
Quartz
These materials create strong impact and abrasion,
which place high demands on wear parts.

Common Problems in Mantle and Concave
1. Uneven Wear
Wear is not uniform across the liner surface.
This is usually caused by improper feeding
or uneven material distribution.
Solution
Optimize feeding system
to ensure even material flow.
Use high manganese steel
with stable work hardening performance.
2. Short Service Life
Low quality material or poor heat treatment
can lead to rapid wear.
Frequent replacement increases downtime
and production cost.
Solution
Use Mn13Cr2 Mn18Cr2 or Mn22Cr2 materials.
Control chemical composition
and ensure proper heat treatment process.
3. Cracking or Breakage
Often caused by internal defects
or improper microstructure.
Coarse grains or carbide networks
increase brittleness.
Solution
Strict metallographic control
to ensure uniform austenite structure.
Refined grain structure improves toughness
and impact resistance.

4. Installation Problems
Loose fitting or inaccurate dimensions
can lead to abnormal stress and failure.
Solution
Ensure precise machining
and strict dimensional inspection.
Guarantee proper fitting
between mantle concave and crusher frame.
Material Options
We provide multiple material solutions
based on working conditions:
Mn13Cr2
Mn18Cr2
Mn22Cr2
High chromium cast iron
Alloy steel
Composite liners with ceramic insert
High manganese steel is the most commonly used.
Under impact and pressure,
the surface hardens during operation,
which significantly improves wear resistance.
Casting and Process Control
We focus on full process control
from melting to final inspection.
Chemical composition control
ensures correct Mn C and Cr ratio
Resin sand casting
improves dimensional accuracy
and surface quality
Pouring temperature control
around 1550 to 1600 degrees
ensures better internal structure
Heat treatment water quenching
forms stable austenite structure
Quality Control
We rely on real inspection data:
Spectrometer testing
for chemical composition
Metallographic testing
for internal structure
Hardness testing
to verify heat treatment stability
Dimensional inspection
to ensure proper installation
Performance Improvement
High quality mantle and concave
can significantly improve:
Service life
Production stability
Crushing efficiency
Cost per ton
Even if liners look similar,
their performance can differ greatly
due to material and process control.
Compatible Crusher Models
Our mantle and concave
are compatible with:
Metso GP HP MP series
Sandvik CH CS series
PYB PYZ PYD series
Other global brands
We support production
based on drawings and samples.
About Polarislink
TangShan Polarislink Advanced Materials Technology Co Ltd
specializes in mining wear parts manufacturing.
We provide:
Mantle and concave
High manganese steel solutions
Full inspection support
Customized production
Helping customers achieve stable
and efficient crushing performance worldwide.