













| Models | Wear Parts |
|---|---|
| Models | CoalPactor series |
| Capacity | 50-1,000 tph |
| Feed Size | Up to 300mm |
| Product Size | 10-75mm |
Hammers: High-Mn Steel or Cr-Mo Alloy. Impact Blocks: Ni-Hard or Chrome Iron.
Various
Hammers, Impact blocks
High-speed rotating hammers for CoalPactor BC series; combined impact and shear crushing of coal at power plants
| Grade | C | Si | Mn | Cr | Mo | Ni |
|---|---|---|---|---|---|---|
| AISI 4150H | 0.47-0.54 | 0.15-0.35 | 0.65-1.10 | 0.75-1.20 | 0.15-0.25 | — |
Forged structure with superior fatigue resistance; designed for high-speed hammer crushers with repeated impact cycles (TKK/CoalPactor)
| 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 |
|---|---|---|---|---|
| ASTM A128 Grade B-2 | 1.05-1.20 | ≤1.0 | 11.5-14.0 | ≤0.5 |
Work-hardening option for coal crushing applications; surface hardness increases under impact
CoalPactor discharge screen controlling product size; replaceable wear component
| 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













