Hardfaced Steel Plate
Hardfaced steel plates come in multiple types, including AR, NM, BW, composite overlays, and high-manganese steel, each tailored to specific wear and impact conditions. Selecting the right type ensures maximum abrasion resistance, durability, and long service life for mining, construction, and industrial applications.
- Description
Hardfaced steel plates are widely used in industries where abrasion, impact, and sliding wear occur. These plates feature a hard surface layer applied by welding or alloy overlay, enhancing durability while maintaining a tough steel substrate.
1. Common Types of Hardfaced Steel Plates
a. AR (Abrasion Resistant) Steel Plates
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Description: Quenched and tempered steel with high hardness (typically 400–500 HB).
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Features: Excellent balance of hardness and impact toughness.
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Applications: Crusher jaws, bulldozer blades, excavator edges, wear plates.
b. NM-Series Wear-Resistant Plates
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Description: Alloyed steel with optimized Cr, Mn, and C content.
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Features: High resistance to combined sliding and impact wear.
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Applications: Mining equipment, hoppers, grinding liners, chutes.
c. BW-Series Wear-Resistant Plates
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Description: Specialized steel with uniform hardness throughout the thickness.
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Features: Exceptional sliding wear resistance and dimensional stability.
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Applications: Conveyor liners, heavy-duty chutes, industrial wear surfaces.
d. Composite Hardfaced Plates
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Description: Steel substrate with welded carbide overlay or hardfacing layer.
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Features: Localized ultra-hard surface for high abrasion zones while keeping substrate tough.
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Applications: Crusher liners, slurry pumps, mixer blades, bucket liners.
e. High-Manganese (Hadfield) Steel Plates
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Description: Steel with ~12–14% manganese that work-hardens under impact.
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Features: Becomes harder during use, resistant to high-impact wear.
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Applications: Mining hoppers, crusher jaws, bucket teeth.
2. Key Differences Among Types
| Type | Surface Hardness | Impact Resistance | Best Use |
|---|---|---|---|
| AR Steel | 400–500 HB | Medium | General wear plates and earthmoving equipment |
| NM-Series | 400 HB | High | Sliding + impact wear, crushers, hoppers |
| BW-Series | 400 HB | Medium-High | Sliding wear, conveyors, chutes |
| Composite Hardfaced | 500+ HB (overlay) | High | Localized extreme wear areas |
| High-Manganese | Work-hardens in use | Very High | Impact-heavy applications, mining |
3. Applications of Hardfaced Steel Plates
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Mining and quarrying: crusher liners, bucket liners, hoppers, grinding mills
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Construction machinery: bulldozer blades, excavator edges, earthmoving components
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Material handling: conveyor belts, chutes, industrial hoppers
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Heavy industry equipment: slurry pumps, mixer blades, impact surfaces

















