Maintenance Recommendations
Inspect mantle and concave wear profile every 500 operating hours. Replace when wear reaches 80% of original thickness. Lubrication system oil change every 2,000 hours. Check CSS monthly and adjust as needed.





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| Models | Wear Parts |
|---|---|
| Models | HP200-HP800, GP100-GP550, MP800-MP1250 |
| Capacity | 90-3,500 tph |
| Max Feed | Up to 350mm |
| CSS Range | 6-44mm |
| Power | 90-1,250 kW |
| Weight | 5.8-120 t |
| Models | CR800, shah123 |
| Models | MJ 2010, Mo 325, SME 2006 |
| Material Grade | Mn22Cr2, Mn18Cr2, Mn13Cr2 |
| Models | gger 293 |
| Models | where original equipment accounts for only 20 |
| Models | Cr26, Mn13C |
| Material Grade | Mn13Cr2 |
| Models | gger 293, BITA 15 |
Mantles & Concaves: Cr-Mo Alloy Steel (ASTM A532 IIIA), Mn18Cr2 high-manganese steel. Optional: MMC ceramic insert reinforcement for 3× life extension in high-silica applications.
HP200-HP800, GP100-GP550, MP800-MP1250
Mantles, Concaves, Bowl liners, Feed cones
Primary crushing surface; rotates eccentrically against concave to compress and fracture feed material
| 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 |
|---|---|---|---|---|---|---|
| Mn22Cr2Mo | 1.10-1.40 | ≤1.0 | 20.0-24.0 | 1.5-2.5 | 0.30-0.60 | — |
Ultra-high Mn + Cr-Mo alloying; maximum work-hardening depth for extreme impact conditions; 30-50% longer life than Mn18
| Grade | C | Si | Mn | Cr | TiC | Mo |
|---|---|---|---|---|---|---|
| Mn18Cr2+TiC | 1.05-1.35 | ≤1.0 | 16.0-19.0 | 1.5-2.5 | 8-15 vol% | — |
TiC ceramic inserts in Mn18 matrix; 2-3x wear life in abrasive conditions; ideal for hard rock cone crushing
Stationary crushing surface; works with mantle to create crushing chamber profile; determines product gradation
| 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
Distributes feed material evenly into crushing chamber to maximize liner utilization and product consistency
| 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
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| Cr-Mo Alloy Steel | 0.15-0.25 | 0.30-0.60 | 0.50-0.80 | 1.00-1.50 | 0.45-0.65 | — |
Good combination of hardness and toughness; ideal for SAG mill liners, grate bars and crusher frame liners under abrasive wear
Distributes feed material evenly across crushing chamber to optimize liner wear and product gradation
| Grade | C | Si | Mn | Cr |
|---|---|---|---|---|
| Mn13Cr2 | 1.05-1.35 | ≤1.0 | 11.0-14.0 | 1.5-2.5 |
Standard work-hardening steel; cost-effective for moderate impact applications
| 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
Eccentric bushing and head bushing ensure smooth eccentric rotation with minimal vibration
| Grade | C | Si | Mn | Cr | Mo |
|---|---|---|---|---|---|
| AISI 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.0 | 0.8-1.1 | 0.15-0.25 |
Forged high-strength steel for shafts, bolts and high-stress components
Inspect mantle and concave wear profile every 500 operating hours. Replace when wear reaches 80% of original thickness. Lubrication system oil change every 2,000 hours. Check CSS monthly and adjust as needed.





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