Galvanized steel and aluminum are both manufacturing materials loved and used by Xometry customers, but they have very different properties that manufacturers should be aware of before choosing between the two. Let’s take a look at these two popular metals, their uses, pros and cons, and how Xometry can help you when it comes to using them for your business.

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What is Galvanized Steel?

Galvanized steel refers to steel that has been hot-dip coated, electroplated, or mechanically plated—among other methods—with zinc, which protects it against corrosion. This process is called galvanization. Treating the steel in this way provides it with an ionic barrier that will sacrifice itself and prevent the steel from rusting, and that’s why galvanized steel has a long environmental lifespan. Here’s what galvanized steel looks like:

Due to its durability and corrosion resistance, galvanized steel is used in an impressive number of sectors and applications. Some of these include outdoor equipment (canopies, handrails, street furniture), adding corrosion resistance to parts (nuts, bolts, washers), being used in networks and power equipment boxes, and making pipes, and agricultural equipment (gates, barn components, livestock handling equipment).

Pros and Cons

Like with any type of metal, there are pros and cons to think about before using galvanized steel. Here’s the breakdown:

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What is Aluminum?

Aluminum is another type of metal that’s found in abundance in the earth’s crust (meaning it’s pretty easy to get hold of), though it’s found in the state of metal salts like bauxite, which is a rock deposit that’s rich in aluminum oxide. Aluminum is lightweight when it’s made into its final metallic form. Here’s an example of what it looks like:

Galvanized Steel vs. Aluminum

Choosing between these two metals will first require a comprehensive comparison of their properties (don’t worry; we’ve got one below for you). What it will come down to in the end are your exact needs and budget. Sometimes these materials can be used for the same thing, such as walkways, stairs, and fan blades, but most times you’ll find that one will be better than the other at making a particular item. For example, galvanized steel is stronger and more durabile, but it certainly can’t beat aluminum when it comes to light weight and strength-to-weight ratio. Further comparisons can be found in the table below:

Disclaimer

The content appearing on this webpage is for informational purposes only. Xometry makes no representation or warranty of any kind, be it expressed or implied, as to the accuracy, completeness, or validity of the information. Any performance parameters, geometric tolerances, specific design features, quality and types of materials, or processes should not be inferred to represent what will be delivered by third-party suppliers or manufacturers through Xometry’s network. Buyers seeking quotes for parts are responsible for defining the specific requirements for those parts. Please refer to our terms and conditions for more information.

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