
| Models | Wear Parts |
|---|---|
| Models | Various |
| Wear Parts | Mantles, Concaves |
| Models | Cr20, Cr26, with 15 |
Manufactured from premium wear-resistant alloys including high-manganese steel, Cr-Mo alloy steel, and high-chrome cast iron.
Various
Mantles, Concaves
Primary crushing surface for CITIC Heavy Industries gyratory crushers; Chinese-made alternative for 54-74 to 60-110 class machines
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| Mn18Cr2 | 1.05-1.35 | ≤1.0 | 16.0-19.0 | 1.5-2.5 | — | — |
Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression applications
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| Mn13Cr2 | 1.05-1.20 | ≤1.0 | 11.5-14.0 | 1.5-2.5 | — | — |
Excellent work-hardening capability; surface hardness increases under impact, ideal for moderate to high impact crushing conditions
Multi-segment stationary crushing ring; segmented design for safe and efficient maintenance
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| Mn18Cr2 | 1.05-1.35 | ≤1.0 | 16.0-19.0 | 1.5-2.5 | — | — |
Higher Mn content provides superior work-hardening depth; 20-30% longer service life than Mn13 in high-compression applications
CITIC gyratory concave segments; Mn22Cr2Mo premium option for mega-mine primary crushing
| Grade | C | Si | Mn | Cr |
|---|---|---|---|---|
| Mn18Cr2 | 1.05-1.35 | ≤1.0 | 16.0-19.0 | 1.5-2.5 |
Superior work-hardening depth; 20-30% longer life than Mn13 in high-compression applications
| Grade | C | Si | Mn | Cr | Mo |
|---|---|---|---|---|---|
| Mn22Cr2Mo | 1.10-1.40 | ≤0.8 | 20.0-24.0 | 1.8-2.5 | 0.3-0.6 |
Maximum work-hardening capability; best for severe impact and high-compression crushing; 40-60% longer life than Mn13
