Duroxite® 201 Plate
Wear Plate Overlay Plate Hardfacing Plate Abrasion Resistant Plate Steel Plate Clad Plate Chromium Carbide Plate Weld Overlay Plate Impact Resistant Plate Wear-Resistant Plate High-Strength Plate Chromium Carbide Overlay Plate Wear Liners Heavy-Duty Wear Plate Mining Wear Plate Toughened Steel Plate Corrosion-Resistant Plate Structural Wear Plate Heat-Resistant Plate
Duroxite® 201 is a high-performance wear plate specifically designed for applications that experience extreme wear and impact. It features a unique combination of abrasive materials bonded to a Hardox®® 450 backing plate. This chromium carbide overlay plate is built to deliver outstanding performance in harsh environments, including industries like mining, cement, and power generation. The overlay consists of primary chromium-rich carbides and finely tuned, multi-alloy complex carbides all evenly distributed within a tough eutectic austenite matrix.
Key Benefits
- Hardox®® 450 Backing Plate: The backing plate’s high yield strength allows it to better resist plastic deformation, offering resilient flexing after impact. This boosts the overall toughness of the wear-resistant plate.
- High Bonding Strength: Overlay plate maintains very good bonding strength between the chromium carbide layer and high-strength steel plate, promoting long-term durability in harsh environments.
- Impact Resistance: Duroxite® 201 has better impact resistance than Duroxite® 200, especially at high temperatures of up to 350°C (660°F). Yet, its impact resistance is best at room temperature.
- Improved Wear Resistance: This wear-resistant plate outperforms in impact and wear resistance, making it a great selection for heavy-duty wear plate uses.
Typical Applications
Duroxite® 201 is used in various applications across industries that require wear resistant material. Some specific applications include:
| Mining | Screen plates, loader bucket liners, feeding systems for ball mills, loader bucket liners, bucket lip shrouds, bucket side shrouds, chutes, liner plates and skip liners |
|---|---|
| Cement | Cement furnace components, sinter plant parts, fan blades, mixer blades, gyratory mantles, coal and cement pulverizer rolls, raw material crushing components, molding panels |
| Power | Coal discharger chutes |
Standard Dimensions
| Metric unit | Imperial unit |
|---|---|
| 1.85 m x 2.85 m | 6.1′ x 9.3′ |
| 1.2 m x 2.4 m | 4′ x 8′ |
| 1.5 m x 3.0 m | 5′ x 10′ |
| 1.8 m x 3.0 m | 6′ x 10′ |
Standard plate sizes
| Metric unit | Imperial unit |
|---|---|
| 1.2 m x 2.4 m | 4′ x 8′ |
| 1.4 m x 3.0 m | 4.6′ x 10′ |
| 1.5 m x 3.0 m | 5′ x 10′ |
| 1.8 m x 3.0 m | 6′ x 10′ |
| 2.4 m x 3.0 m | 8′ x 10′ |
Mechanical Properties
| Number of overlay passes | Typical surface hardness1) (HRC) | Typical surface hardness1) (HV) | Surface (g max) |
75 % depth of overlay 3) (g max) |
|---|---|---|---|---|
| Multiple passes | 60 – 65 | 700 – 850 | 0.12 | 0.12 |
1) Surface hardness is measured on machined flat surface just below overlay surface.
2) ASTM G65 – Procedure A weight loss, is a standard test measuring sliding abrasion resistance using a dry sand/rubber wheel apparatus. ASTM G65-Procedure A is the most severe test method.
3) ASTM G65 – Procedure A weight loss, wear test is conducted at 75% depth of the overlay materials to ensure consistently good wear resistance from the top surface through to the depth of 75% of the overlay.
Microstructure
The microstructure of Duroxite® 201 consists of primary chromium-rich carbides and finely refined multi-alloy complex carbide resulting in a typical hardness range of 2500 to 3000 HK. These hard carbides are uniformly distributed within a tough eutectic austenite matrix, giving the material outstanding durability.The volume fraction of primary chromium-rich carbides ranges from 30% to 40%, with 7% to 10% of multi-alloy complex carbides creating a well balanced structure that improves both wear and impact resistance.
*) HK is the Knoop microhardness used primarily for very brittle materials or thin sheets.
Tolerances
Thickness
The overall and overlay thickness tolerances are guaranteed to be within ±10% of the specified thickness, ensuring consistent performance of the material.
Flatness
The plate’s flatness tolerance is guaranteed across a length of 1.5 meters (5 feet) ensuring consistency for a wide range of applications.
Metric unit |
|||
|---|---|---|---|
| Metric unit | 1.5 m x 3.0 m | 1.8 m x 3.0 m | 2.4 m x 3.0 m |
| 5 mm on 8 mm | 12 mm | 32 mm | 38 mm |
| 6 mm on 6 mm | 12 mm | 32 mm | 38 mm |
| 10 mm on 10 mm | 6 mm | 19 mm | 25 mm |
For custom sizes, please consult your local sales representative or Hardox® Wearparts center for flatness guarantees.
Delivery
Duroxite® 201 is supplied in an as-welded condition, though it can also be provided in a ground condition upon request, depending on the needs of the project.
Fabrication and Other Recommendations
Welding, cutting, forming and machining
For specific guidelines, please refer to the Duroxite® Products brochure or consult with a local technical support representative for tailored advice.
Safety precautions
Welding or cutting Duroxite® products generates gases and toxic fumes, the major toxic component of which is hexavalent chromium. Safety can be ensured by proper exhaust ventilation and fume extraction torches. Proper protective clothing and respiratory protection should be worn by the operator.