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Clad Plate

Clad plate is a composite metal plate created by bonding two or more different metals together to combine their individual advantages.

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Hardfacing Wear-resistant Plate

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Clad Plate: Understanding Bimetallic Cladding Technologies, Types and Industrial Applications

Clad plate is a composite metal plate created by bonding two or more different metals together to combine their individual advantages. Unlike a single alloy plate, a clad structure uses a functional surface layer and a structural backing layer to achieve improved wear resistance, corrosion protection, heat resistance, or cost efficiency.

In industrial engineering, clad plates are mainly produced through three technologies: explosive welding, roll bonding, and weld overlay. Each process creates different bonding characteristics and is suitable for different application requirements.

What Is a Clad Plate?

A clad plate usually consists of a base metal and a cladding layer. The base material provides mechanical strength, toughness, and structural support, while the cladding layer provides specialized properties such as abrasion resistance or corrosion resistance.

Component	Main Function	Typical Materials
Base Plate	Structural strength and impact resistance	Carbon steel, low alloy steel
Cladding Layer	Special surface performance	Chromium carbide, stainless steel, nickel alloy

Three Major Cladding Manufacturing Processes

1. Explosive Cladding (Explosion-Welded Plate)

Explosive welding uses controlled explosive energy to create a high-speed collision between two metal plates. The impact generates a metallurgical bond without melting the entire material surface.

This technology is widely used for large-area composite plates where strong bonding between dissimilar metals is required.

High bonding strength
Suitable for large plate sizes
Can combine difficult-to-weld metals
Commonly used in pressure vessels and chemical equipment

2. Roll Bonding

Roll bonding uses pressure and heat during rolling to join different metal layers. This process is suitable for continuous production and thinner clad structures.

High production efficiency
Good thickness control
Suitable for large-volume manufacturing
Common in corrosion-resistant metal sheets

3. Weld Overlay Cladding

Weld overlay creates a wear-resistant or corrosion-resistant surface by depositing alloy material onto a steel substrate through welding technology.

This method is widely used for abrasion applications because the surface alloy can be customized according to the working environment.

Cladding Process	Bonding Method	Main Advantage	Typical Application
Explosive Welding	High-speed metallurgical bonding	Strong bond between different metals	Chemical equipment, pressure vessels
Roll Bonding	Pressure and heat rolling	High production efficiency	Thin corrosion-resistant sheets
Weld Overlay	Fusion welding	Flexible wear layer design	Mining, cement, power equipment

Wear-Resistant Clad Plate vs Corrosion-Resistant Clad Plate

Although both products are called clad plates, their engineering purposes are different. Selecting the correct type depends on whether the main failure mechanism is abrasion or corrosion.

Type	Surface Layer	Main Protection	Applications
Wear Clad Plate	Chromium carbide overlay	Resistance to abrasive wear	Chutes, hoppers, crushers, mills
Corrosion Clad Plate	Stainless steel or nickel alloy	Chemical corrosion resistance	Chemical tanks and process equipment

Chromium Carbide Overlay Clad Plate: A Wear-Focused Solution

Chromium carbide overlay plate is one of the most widely used wear clad plate solutions. It combines a tough steel backing plate with a high chromium alloy layer containing hard chromium carbide particles.

The carbide-rich surface provides excellent resistance against sliding abrasion caused by materials such as coal, cement clinker, minerals, and sand.

Compared with traditional steel plates, chromium carbide overlay structures provide significantly improved wear life while maintaining easier installation and fabrication characteristics.

For industrial equipment requiring customized wear protection, Teda Ganghua supplies chromium carbide overlay plate solutions for mining, cement, power generation, and heavy material handling applications.

How to Choose the Right Clad Plate

Choose wear clad plate when the main problem is abrasive particles, sliding friction, or material impact.
Choose corrosion clad plate when chemical attack, acids, or high-temperature corrosion are the primary concerns.
Choose explosive or roll-bonded cladding when full-area metallurgical bonding between different metals is required.
Choose weld overlay cladding when customized wear thickness and application flexibility are important.

Common Questions About Clad Plate

Q1: Is clad plate the same as wear plate?

Not always. Wear plate is one category of clad plate. A clad plate can also be designed for corrosion resistance, heat resistance, or other special properties.

Q2: What is the difference between CCO plate and stainless clad plate?

CCO plate is designed mainly for abrasion resistance using a hard alloy overlay. Stainless clad plate is designed mainly for corrosion resistance by combining stainless steel with a structural base material.

Q3: Which cladding method provides the strongest bond?

The best bonding method depends on the application. Explosive welding provides extremely strong metallurgical bonding, while weld overlay offers greater flexibility for wear protection designs.

Q4: Can clad plates be cut and fabricated?

Yes. Cutting and fabrication methods depend on the cladding type and thickness. Wear overlay plates are commonly processed by plasma cutting, water cutting, drilling, and welding from the base plate side.

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