Since the price of both of these metals will fluctuate with the market and the specific alloy, it is hard to say that one will be cheaper than the other in every context. However, it is commonly accepted that, pound for pound, carbon steel is generally less expensive than a comparable aluminum alloy.
The following table compares specific values for the physical properties of steel and aluminum. When trying to choose between steel and aluminum for your specific project, knowing the common areas of application for each of them could be very helpful.
The following table shows the most common uses of these metals in different industries. For example, if strength and durability are the most important attributes for your design, and the shape is not too complex, perhaps a steel alloy is the better option. On the other hand, if you need a good strength-to-weight ratio, corrosion resistance, and the ability to form a unique shape, aluminum is probably the better choice.
If you want to know more about some of the most widely used aluminum alloys, take a look at some of our other articles below:. It has a high strength-to-weight ratio, good corrosion resistance, good formability, and aesthetic appeal. These factors have led to its increased popularity in recent Aluminium Al is a soft metal with a silvery-gray color. It has a shiny appearance. Aluminium has a light weight compared to other metals. It is malleable, i. These properties of aluminium has made it to be used in aircraft manufacturing.
Aluminium is highly resistant to corrosion since it can form a protective layer on its surface by oxidation into aluminium oxide. In addition, it is a good conductor of heat and electricity. The degree of ductility is high for aluminium; this means, aluminium can be easily molten and drawn into wire-like structures. Aluminium foils are impermeable even when they are very thin. Aluminium metal is obtained from alumina aluminium oxide. The refining process of aluminium from alumina is known as Hall-Heroult process.
The process includes the following steps. Cite APA 7 ,. Difference Between Steel and Aluminum. Difference Between Similar Terms and Objects. MLA 8 ,. Name required. Email required. Please note: comment moderation is enabled and may delay your comment. There is no need to resubmit your comment.
Notify me of followup comments via e-mail. Written by : charm. When aluminum is oxidized, its surface will turn white and will sometimes pit. In some extreme acidic or base environments, Aluminum may corrode rapidly with catastrophic results.
Thermal Conductivity. Aluminum has a much better thermal conductivity conductor of heat than stainless steel. One of the main reasons it is used for car radiators and air conditioning units. Aluminum is typically cheaper than stainless steel. Aluminum is fairly soft and easier to cut and form. Due to its resistance to wear and abrasion, Stainless can be difficult to work with. Stainless steels are harder and are especially harder to form than aluminum.
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