Smooth CCO Plate
HALDEN smooth surface CCO plate is manufactured using advanced fusion bond submerged arc welding technology to apply a highly abrasion-resistant chromium carbide layer onto a steel substrate. The result is a smooth overlay deposit with consistent chemistry and a stable microstructure, making it suitable for severe abrasive wear and impact applications.
This product is commonly known in the market as chromium carbide overlay plate, or CCO plate. The final wear performance depends on the material striking or sliding across the wear surface, the angle and speed of impact, and the operating temperature of the application.
- Smooth surface chromium carbide overlay on steel substrate
- Hardness: 58–62 HRC
- Primary M7C3 chromium-rich carbides with austenitic and martensitic matrix
- Carbide volume fraction greater than 35%
- Available thickness range: 6+4 mm to 12+25 mm
- Fabrication support: welding, cutting, forming, and machining
Smooth Surface CCO Plate for Severe Abrasion
Smooth CCO plate is designed for wear applications where severe abrasion, sliding wear, and impact are present. Its chromium carbide overlay layer provides a hard wear surface, while the steel substrate maintains practical fabrication support and structural integrity.
The smooth overlay finish also helps in applications where surface behavior, lower friction, and more controlled material flow are important.
Performance Depends on Real Working Conditions
The best hardfaced solution depends on the actual service environment. Wear performance is influenced by whether rock, sand, gravel, or another abrasive medium strikes or slides across the surface, as well as by impact angle, material velocity, and temperature.
HALDEN can provide different alloy and dimension options according to your operating conditions and application needs.
Specifications
Main technical data for HALDEN smooth surface CCO plate.
| Base Materials | ASTM A36 (Q235B), ASTM A529A (Q345B) |
|---|---|
| Overlay Alloy Components | High carbon, chromium-rich, Cr-C-Mn-Si-B-Fe |
| Hardness | 58–62 HRC |
| Chromium Content | 20–29% |
| Carbon Content | 3–5% |
| ASTM G65 Procedure A | Weight loss 0.26 g maximum |
Microstructure
Designed for high wear resistance and stable hardfacing performance.
Primary Chromium-Rich Carbides
The overlay layer contains primary M7C3 chromium-rich carbides, which provide the core wear-resistant structure for severe abrasion service.
Austenitic and Martensitic Matrix
The carbide structure is supported by an austenitic and martensitic matrix, with carbide volume fraction greater than 35% for balanced wear performance.
Dimensions & Tolerance
Standard sizes and tolerance data for smooth CCO plate supply.
| Thickness Range | 6+4 mm to 12+25 mm |
|---|---|
| Standard Plate Size | 1000 × 3000 mm, 600 × 3000 mm |
| Maximum Plate Size | 1500 × 3000 mm |
| Thickness Tolerance | ±0.5 mm |
| Plate Flatness | Within ±1.5 mm over 1.5 m plate length |
| Custom Supply | Various alloys and dimensions can be supplied according to application request |
Applications
Widely used across industries requiring strong abrasion resistance and practical fabrication flexibility.
Mining
Used for chutes, hoppers, truck bed liners, dozer blades, shovel buckets, dragline buckets, and excavators.
Cement
Suitable for separator guide vanes, discharge cones, conveying chutes, outlet ducts, and receiving hoppers.
Dredging
Applied in dredging pipes and pumps, suction pipelines, and pump discharges exposed to abrasive slurries.
Steel & Metallurgy
Suitable for conveyors, sinter handling zones, apron feeders, and other high-wear transfer surfaces.
Power Generation
Used for coal handling chutes, coal feeder liners, crusher screen plates, classifier cones, journal liners, and silo bunkers.
Construction & Coal Mining Equipment
Used in loader liners, bulldozer and excavator wear parts, drill pipes, feeding chutes, hoppers, and related equipment.
Fabrication
Smooth CCO plate can be processed into practical wear components and assemblies.
Welding
Can be welded into wear parts and fabricated assemblies according to equipment design and application needs.
Cutting & Forming
Supports cutting and forming for custom liner shapes, chute sections, pipe components, and protective structures.
Machining Support
Can be machined according to part requirements, giving customers flexibility in wear component production and fitting.
FAQ
Common questions about HALDEN smooth surface CCO plate.
1. What is smooth CCO plate mainly used for?
It is mainly used for severe abrasive wear and impact applications where a smooth chromium carbide overlay surface is beneficial.
2. What hardness range does the overlay provide?
The hardness range is 58–62 HRC.
3. What are the standard base materials?
The standard base materials are ASTM A36 (Q235B) and ASTM A529A (Q345B).
4. Can HALDEN supply custom alloy and plate dimensions?
Yes. Various alloys and dimensions can be supplied depending on operating conditions and application requirements.
Request a Quote for Smooth CCO Plate
If you need smooth surface chromium carbide overlay plate for mining, cement, dredging, power generation, or other severe wear applications, send us your plate size, thickness combination, material condition, and service environment. HALDEN can recommend a suitable smooth CCO plate solution for your project.
- WUXI HALDEN INTERNATIONAL CO., LTD
- Mobile: +8618652469606
- Email: haldenwuxi@163.com
- Products: Smooth CCO Plate / Chromium Carbide Overlay Plate / Wear Plate
- Support: Custom Dimensions / Alloy Matching / Wear Application Solutions
