What Is the Difference Between Stainless Steel Clad Plate and Stainless Steel Plate?
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What Is the Difference Between Stainless Steel Clad Plate and Stainless Steel Plate?

What Is the Difference Between Stainless Steel Clad Plate and Stainless Steel Plate?

Stainless steel clad plates and stainless steel plates are two main stainless steel materials used in construction, energy, automobiles, home appliances, tank fabrications, etc. Although both are stainless steel plates, they feel slightly different just from the names. One focuses on the “plate” (stainless steel plate), and the other focuses on the “cladding” (stainless steel clad plate). Then, what are the other differences among them? Keep reading for more details.

Difference Between Stainless Steel Plate and Stainless Steel Clad Plate

Generally speaking, the differences between stainless steel plate and stainless steel clad plate mainly lie in definition, manufacturing process, performance, usage, cost, etc. It is imperative to grasp these distinctions to make an informed decision about which material to choose.

1. Definition

Stainless steel plate, is a flat and rectangular steel product that contains a minimum of 10.5% chromium content. This chromium forms a protective layer on the surface, safeguarding it against corrosion and augmenting its durability. Furthermore, stainless steel plate may also incorporate other elements such as nickel, manganese, and molybdenum, which contribute to its strength and resistance against heat, chemicals, and wear.

Stainless steel clad plate, on the contrary, is a composite material formed by joining a layer of stainless steel plate to a base metal plate (carbon steel, alloy steel, or other metals) through a process called diffusion bonding. This process involves the application of heat and pressure, thereby creating a bond of the utmost strength and permanence between the two materials.

Stainless Steel Cladding Plate

2. Manufacturing Process

Stainless steel plate is made of stainless steel.

However, the manufacturing process of stainless steel cladding plates is much more complicated. It is often constructed by joining a layer of stainless steel, typically 5-10% of the total thickness, to a base metal layer through heat and pressure. This bonding process allows the atoms of the two materials to diffuse and form bonds of a metallurgical nature.

In short, stainless steel clad plates have a layer of stainless steel bonded to a base metal, while stainless steel plates are solely made of stainless steel.

3. Performance

It can be embodied in the following three aspects:

Corrosion Resistance: stainless steel plate has better corrosion and rust resistance than stainless steel clad plate due to its pure stainless steel materials. The higher the grade of stainless steel, the greater its corrosion resistance.

Durability: it must be admitted that stainless clad steel plate has higher durability as the base metal plate does offer strength and mechanical properties of a structural nature.

Flexibility: stainless steel clad plate has less flexibility. It includes the risk of delamination or separation between the stainless steel layer and the base material. This can occur due to inadequate bonding or thermal expansion and contraction. Therefore, it is less flexible than stainless steel plate.

Stainless Steel Plates in Stock

4. Usage

The usage difference between stainless steel clad plates and stainless steel plates hinges upon the intended application and the precise requirements at hand. Industries such as petrochemical, chemical, power generation, architecture, and automobiles, commonly turn to stainless steel clad plates, as they necessitate a blend of strength, corrosion resistance, and cost-effectiveness. Conversely, stainless steel plates find their purpose across a myriad of sectors, including food processing, pharmaceuticals, and architecture, where superlative resistance to corrosion and aesthetic allure reign supreme.

5. Cost

Because of its composite nature, stainless steel clad plates offer the most advantageous cost savings when compared to solid stainless steel plates. The utilization of a more affordable base metal, coupled with a thinner layer of stainless steel, yields a more economical solution while still delivering the desired performance. However, the precise disparities in cost hinge upon variables such as plate size, thickness, and the specific type of stainless steel employed.

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Although many differences exist between stainless steel plates and stainless steel clad plates, they are still indispensable steel materials used in modern industrial society. Stainless steel cladding plates are more durable than stainless steel plates, whereas stainless steel plates have stronger corrosion resistance than stainless steel composite plates. And each has its specific application range. As for which material is better for you, it depends on your specific needs. If you still have some doubts, welcome to contact our professional team for help.

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Author : Gnee Steel Gnee Steel is a reliable stainless steel manufacturer, supplier, and exporter from China. The products they produce include: stainless steel pipes, stainless steel coils, stainless steel plates, stainless steel profiles, stainless steel foils, and stainless steel fittings. So far, their products have been exported to 120+ countries and served 1000+ projects, warmly favored by lots of domestic and foreign customers.

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