Anodised Perforated Aluminium has a strong resistance to corrosion due to an oxide skin

formed in reaction with the atmosphere. It is a relatively light metal compared to metals

such as steel, nickel, brass, and copper and is rather malleable.

It can have a wide variety of surface finishes and is highly reflective to heat and light.

For most applications, aluminum sheets need no protective coating but are often anodized to improve color and strength.

Anodised Perforated Aluminium is extremely useful at low-temperatures.

At subzero temperatures its strength increases while retaining ductility.

At temperatures over 400F aluminum alloy sheets tend to lose some of their strength.

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Aluminum combines a unique set of properties (lightweight and resistant to corrosion). It is also nontoxic which makes it an excellent material in cooking utensils. Most aluminum types are an alloy of aluminum, which includes a small quantity of silicon, iron, copper, magnesium, or nickel. These alloys differ in hardness, tensile strength, and other properties.
Non-Heat Treatable (Common) Alloys

1100-0 - Commercially pure aluminum. Excellent corrosion resistance, workability and weldability; high thermal conductivity. Uses include deep drawing, spinning, sheet metal work, decorative applications, air ducts, etc.

3003-0-H14 - The most widely used general purpose alloy. 3003 is stronger than 1100 but still readily formable. Excellent resistance to chemicals and weathering.

5005-H32 or H34 - Excellent workability, weldability, and corrosion resistance. 5005 is typically specified for applications where anodizing is required. Anodized coating is clear and lighter than 3003.

5052-H34 - A versatile alloy for applications requiring greater strength. Readily formed, very good corrosion resistance in marine applications.

Heat Treatable (Strong) Alloys

6061-T4 or T6 - High strength allow provides good formability, weldability, and corrosion resistance. May be difficult to perforate or bend.

6063-T6 - Highly corrosion resistant with good formability. Softer than 6061-T6 and easier to bend. Finish is pleasing and is the most suitable for anodizing.