Cladding
What is Stainless Steel Cladding?
Stainless steel cladding is the process of bonding a thin stainless steel layer to a base metal. This technique combines the structural strength of the base with the superior corrosion protection, chemical resistance, and surface durability of stainless steel.
In cladding, the base can be a low-cost material such as carbon steel, combined with stainless steel/ or any other grade, depending upon the application. Instead of making an entire component from an expensive grade, only the surface layer can be a corrosion-resistant alloy, making the product both durable and cost-effective.
It is worth understanding the difference between cladding and lining. Cladding forms a strong metallurgical bond and becomes a permanent part of the bi-metallic product. Lining is usually attached mechanically and does not form a metallurgical bond.
How is Stainless Steel Cladding Done?
The cladding process involves metallurgical bonding through different methods, such as:
- Roll Bonding: Stainless steel sheets are pressed onto a carbon steel base at high temperature and pressure to create a strong diffusion bond.
- Explosive Bonding: Uses controlled explosive energy to bond two metals without melting them.
- Overlay Welding: A stainless steel layer is welded on the surface to enhance wear and corrosion resistance.
Importance and Benefits of Stainless Steel Cladding
- Superior corrosion resistance and chemical resistance
- Enhanced structural strength and surface durability
- Long-lasting protection in demanding environments
- Reduced maintenance and operational downtime
- Cost efficiency compared to solid stainless steel components
Applications of Stainless Steel Cladding
- Chemical plants and refineries for tanks, reactors, and pressure vessels
- Flue gas desulphurization units in thermal power plants.
- Heat exchangers, industrial equipment, and piping systems
- Architectural facades and architectural panels offering durability and aesthetics
- Marine, power, and oil & gas sectors require corrosion-resistant surfaces