Stainless steel and aluminum are very commonly used materials, both in industry and in everyday life. They have some similarities, but they have much more differences. How do these raw materials differ from each other and only in terms of durability or something more? Which one should I choose, for example, when choosing designs or profiles?
Similarities between steel and aluminum
The main point of contact between steel and aluminum is the resistance of these metals to corrosion.
However, even in this regard, there are small differences. For example, steel as a material with zero porosity and containing chromium is even less susceptible to corrosion.
However, this does not mean that aluminum is significantly inferior to it. These differences are insignificant. Other aspects are much more noticeable.
Conducting heat and electricity
First of all, it is worth realizing that aluminum conducts electricity and heat much better.
Numerically, it looks like this:
aluminum: about 200W/(mhC),
steel (stainless steel): 12 – 30W/(mhC).
Therefore, aluminum, as an ideal conductor of electricity and heat, is suitable for use in elements such as radiators. However, in high temperature conditions, steel will be a much better choice. Therefore, when choosing a steel or aluminum coffee maker, it is recommended to use the first one.
The ratio of strength and weight of materials
It's no secret that aluminum is a much lighter material compared to steel. However, the issue concerns the ratio of weight and strength of aluminum products. Does "lighter" really mean "less durable" or "more susceptible to damage"?It turns out that aluminum is much better in this comparison. Stainless steel is stronger at least due to its higher Brinell hardness (160-310 for steel and 21-161 for aluminum). But it also weighs more, which must be taken into account when ordering metal structures.
The choice of a specific solution depends on how often the object will be lifted or, for example, transported.
Elasticity parameter
The last criterion described here will be flexibility. The differences in tensile strength are as follows:
aluminum: 75 – 545 MPa,
steel (stainless): 400 – 1000 MPa.
Therefore, aluminum is relatively soft and easier to stretch. In this case, you won't have to worry so much about hacking and processing. Esports betting has grown rapidly, and having extra funds gives you an edge in competitive gaming markets. To claim your advantage, be sure to use
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