4 Advice to Choose a aluminum zinc silicon alloy steel sheet

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Series

series alloys are chemically pure (99%+ aluminum) and are commonly available in wire and thin sheets.  This series has excellent corrosion resistance, workability, and high thermal and electrical conductivity.  , for example, is the go-to choice for high voltage transmission lines and other large-scale electrical products. 

Series

series alloys are alloyed with copper, which allows the material to be precipitation hardened to strengths near those of steel.  This is, however, at the expense of corrosion resistance.  was once one of the most common high-strength aerospace alloys, but has been increasingly replaced by series materials which aren’t as susceptible to stress-corrosion cracking.

Series

Manganese is the alloying element in series aluminums.  This alloy has good corrosion resistance and strength, and also performs notably well in stamping applications.  This makes it the material of choice for beverage cans, grating, and many types of tubing.

Series

Silicon is used as the main alloying element in series alloys.  Silicon improves the fluidity of the material in its molten state which is helpful in products like welding wire and brazing rod. 

Series

series aluminum is alloyed mainly with magnesium and silicon, giving it superb corrosion resistance.  This is helpful in marine applications where the material is subjected to constant harsh conditions.   aluminum is widely known for being one of the easiest alloys to weld.  Combine that with the alloy’s excellent corrosion resistance and you have a perfect material for pressure vessels and ship hulls.

Series

The series materials are alloyed with magnesium and silicon.  They are easily machined, weldable, and heat treatable (though not to the same strengths as and series).  series alloys like and are extremely common in machining and architectural applications.  , for example, is available in almost any shape and size you could imagine including bar, plate, sheet, tube, channel and more. 

Series

Zinc is the primary alloying element in series alloys, but magnesium and copper are usually present as well.  These materials possess the highest strengths of any of the aluminum alloys.  is commonly used in aircraft landing gears and other parts requiring high strength to weight ratios.  is another common series alloy and is also heavily used in aerospace applications requiring stress-corrosion resistance. 

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Temper and Age Conditions

Temper designations tell the material producer and consumer how an alloy has been mechanically and/or thermally modified to achieve certain properties.  The first letter designates the class of treatment, while the succeeding number(s) designate specific processes that have been applied to an alloy.

• F – as fabricated.  These are semi-finished products that have not yet been thermally modified. 

• O – annealed.  Materials with the O designations have been annealed, usually to maximize workability.

• H – strain hardened.  This is for non-heat-treatable alloys that have had their strength increased by stain hardening.  This process, of course, usually does not involve heat as is performed at room temperature.

• T – thermally treated.  This designation represents products that have gone through the entire tempering process.  These materials have been given a solution heat treatment followed by quenching and artificial aging.

• W – solution heat treated.  This designation usually represents an unfinished product.  Solution heat treating is the process by which a material is heated up and held at a certain temperature for a specified amount of time, and then rapidly cooled to “lock in” the properties of the heated material.  This process is usually followed by tempering and quenching.

Key Takeaways

For an engineer or part designer, series numbers are the most important topic to understand.  Temper and age conditions are somewhat set-in stone, and engineers typically don’t specify these in the design stage, except in very specific circumstances.  For example, if you would like a part to made from aluminum, it is likely going to be of the -T designation. Engineers should also understand the shapes and sizes alloys are available in. McMaster Carr is a good source for this information.

Choosing the correct alloy can have major impacts not only on the performance of your parts, but also on the cost.  If you need help selecting the right material for your parts, contact us or get a quote!

Contact us to discuss your requirements of aluminum zinc silicon alloy steel sheet. Our experienced sales team can help you identify the options that best suit your needs.