Clad Sheet Aluminum Alloy

Anodized 5005 sheet for architectural applications and 5182.

Clad sheet aluminum alloy.

Aluminium brazing sheet is manufactured by roll bonding techniques to clad a core alloy ingot on one side or both sides with a low melting alsi alloy. Cladding is the bonding together of dissimilar metals it is different from fusion welding or gluing as a method to fasten the metals together. Depending on the desired final properties the core is either homogenized or not before the cladding. It has a melting point of about 500 degrees celsius or 932 degrees fahrenheit.

The thickness of the cladding on each surface may according. The trade name of this aluminum laminate as originated by the aluminum company of america is alcad. An aluminum alloy is a chemical composition where other elements are added to pure aluminum in order to enhance its properties primarily to increase its strength. Alclad is a corrosion resistant aluminium sheet formed from high purity aluminium surface layers metallurgically bonded rolled onto to high strength aluminium alloy core material.

To the thickness of the core sheet typically represent between 1 and 15 of the total thickness. This allows a cheaper metal to be used. From this trade name the adjective clad and the verb cladding have been derived. As an alternative one side can be clad with a non braze alloy e g.

The fuselages of civil aircraft are for the most part made from 2024 alloy sheet clad on either surface with a low composition aluminum alloy a 1050 or 1070 alloy for example. Cladding is often achieved by extruding two metals through a die as well as pressing or rolling sheets together under high pressure.