What is Clad Metal?

Galvanized metals are commonly used in corrosion-prone environments, but coated metals have several benefits over these coated metals.

Coated metal is metal that uses a thin bonding layer or layers of dissimilar metals over less expensive or less durable base metals to create a stronger, more attractive or more durable and desirable surface. In many cases, clad metals are a better option than galvanized or galvanized metals because there is the ability to coat more types of metals than can be galvanized or galvanized. Additionally, the plating process used to create coated metal is more durable and long lasting than a plating or galvanizing process. There are several different types of metal cladding practiced, and each type has its own strengths and weaknesses for different projects.

One type of metal coating process is known as overlay coating. To create this coated metal, one layer of metal is bonded to another by extreme heat and pressure. Overlay coating can bond dissimilar metals such as nickel and gold or gold and silver, as well as bond up to seven different layers of metal to gain the strength and durability benefits of all seven in the finished product. Overlay coating is also useful because it does not require adhesives, fillers or any type of soldering, and it is a permanent solution that will bond the metal together without any worry that it will later come apart.

Embedded coating is another type of highly complex and extremely useful metal coating process that is used to create coated metal objects. With the recessed coating, dissimilar metals can be joined only when needed. For example, a piece of copper can be coated with a piece of gold exactly where it needs to be for when a solder is produced that transforms the finished product into a sculpture. Embedded coating also allows the characteristics of different metals to be used to their maximum benefit in creating the finished coated metal product.

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Another use of coating is contact coating, where certain metals are coated together using heat and pressure to form perfect conductive metals. An example of this might be a wire that needs to have the tensile strength of steel but the electrical conductivity and corrosion resistance of copper. Using contact coating, the two metals can be joined together to get the benefits of both types of metal, without the chance that a weld or fastener will break or that the material will not be sufficient for its intended use.

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