The question of the steel vs aluminum is one that was asked for a very long time. The answer must be, that it really depends on the project.
The question, which is stronger come about through a total misunderstanding. This misunderstanding has perpetuated from the partial truths that aluminum alloys are as strong as steel and this is simply not the case derived. It is better to say rather that there are a few aluminum alloys that are stronger than steel, someAlloys.
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6061 with T6 is one of the most widely used aluminum alloys and it is definitely stronger than some steel alloys pound for pound. The truth is that no matter what the strength of aluminum alloy, you can always find a steel alloy that is stronger.
The fact of the matter is that other factors determine whether you rely on a steel or aluminum alloy. It depends mainly on the application. What will you use it, is the decisive factor.
Let'sLook at some other comparisons between aluminum and steel. Check out the flexibility problem. It really is not a stiffness advantage. Strength of a metal refers to the maximum load it can handle without bumps. Rigidity in terms of how much to give it before it breaks.
For example, a camera on a boom must be stable and consistent. You need the metal is not too stiff flexible. And a tower takes a certain type of strong wind was observed. Stiffness is quantifiedThe elastic modulus and aluminum is 10 million pounds per square inch, while steel is easily 3x that amount.
As far as weight because of the thickness, the aluminum must be comparable in strength to the steel concerns, it is relatively similar weight.
Metal Fatigue is usually not a consideration for a general structure of steel. However, if you make motors and drives from this material it will be more important.Aluminum is subject to fatigue failure. It is their durability, long before achieving a steel hull, drive or motor. Today, these are compensated for the construction of the engine, vessel or structure. Unlike steel, aluminum has a very low rate of corrosion and this must be considered in the final analysis.
There you have it. The steel vs. aluminum saga but at least now you are aware of the facts rage that it is a question of the suitability of strength.
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