Side lining plates (also known as side guard plates or cheek plates) are essential wear parts in a jaw crusher, protecting the crusher frame from direct impact and abrasion. Selecting the right material for the jaw crusher upper side lining plate ensures longer service life, lower maintenance costs, and stable equipment performance. As a professional manufacturer of crushing and mining spare parts, Jiangxi Duma Machinery provides high-quality side lining plates designed for demanding mining and aggregate conditions.
1. Why Material Selection Matters
Choosing the wrong material can lead to:
Premature wear and frequent plate replacements
Reduced jaw crusher efficiency
Higher maintenance and shutdown costs
Increased frame wear due to insufficient protection
For this reason, selecting the right side lining plate material is crucial for both equipment protection and operational efficiency.
2. Common Materials for Jaw Crusher Side Liners
① High Manganese Steel (Mn13 / Mn13Cr2)
Features:
- Excellent toughness
- Good work-hardening ability
- Suitable for medium-hardness materials
Best for:
General quarrying, limestone, river stone, and construction materials.
② High Manganese Steel (Mn18 / Mn18Cr2)
Features:
- The most widely used material in mining
- Strong impact resistance
- Work-hardens under crushing force
Best for:
Granite, basalt, hard stone, and long-term mining operations.
③ Super High Manganese Steel (Mn22 / Mn22Cr2)
Features:
- Highest wear resistance
- Designed for extremely abrasive working conditions
- Longest service life among manganese plates
Best for:
Iron ore, copper ore, gold mines, and highly abrasive rock.
④ Alloy Steel / Customized Composite Materials
Features:
- Improved strength and crack resistance
- Suitable for specific working conditions
- Used when manganese steel is not ideal
Best for:
Special environments requiring enhanced mechanical properties.
3. How to Choose the Right Material?
| Working Condition | Recommended Material | Reason |
|---|---|---|
| Soft to medium materials (limestone, shale) | Mn13 / Mn13Cr2 | Cost-effective, good toughness |
| General mining & quarrying | Mn18 / Mn18Cr2 | Balanced strength & wear resistance |
| High abrasion or heavy impact | Mn22 / Mn22Cr2 | Maximum durability |
| Special environments | Alloy steel or customized material | Tailored performance |
Tip: Always match the material with the crusher model and actual feed hardness.
As a professional manufacturer of jaw crusher wear parts and crushing & mining spare parts, Duma Machinery offers material options and technical support to help customers select the most suitable side lining plate for their working conditions.
4. Conclusion
Choosing the right side lining plate material is not simply about hardness-it requires understanding the working conditions, type of rock, abrasion levels, and crusher specifications.
Correct selection will significantly extend service life, reduce maintenance frequency, and lower the overall cost of crusher operation.
If you need material selection advice for your Jaw Crusher Upper Side Lining Plate, you can consult us anytime with your crusher model, feed characteristics, and working environment.
