It depends on multiple factors, There are multiple grades/alloys of both that have different characteristics ( flexibility, temperature ranges, chemical resistance that affect it's strength).
If you are going by volume, comparing pieces of the same width/length/thickness, than steel is always stronger. If your comparing by weight, comparing 2 pieces that weight the same, than aluminum is almost always stronger with the exception of chromoly steel. 41xx grade chromoly steel is the only steel that is stronger/weight than aluminum alloys(debatable), but most agree that the aluminum of similar weight will be stiffer. Aluminum alloys usually show a 1/3 weight saving with equal strength vs. non Chromoly steels, like that used in production cars. All commercial planes are made of aluminum alloy.
Whike aluminum is generally not as strong as steel recent studies and experiments have ideneit=fied a process where an alumni alloy (aluminum 7075 which contains small percentages of magnesium and zinc) is compressed with a force of about 60,000 kilograms per square centimeter while rotating it. The compressed alloy is allowed to age for month after this process.,The treated metal attained a strength of 1 gigapascal (see article Nature Communications) which is equal to some of the strongest steels and more than three times higher than conventional aluminum.
duralumin, copper is added to the aliminium to make duralumin
Aluminium
Chemically, aluminium is an element, while steel is an alloy consisting mostly of iron. Although most aluminium items you see and use are also Alloys, strictly speaking. Steel is stronger but heavier. They have quite different material qualities.
copper
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duralumin, copper is added to the aliminium to make duralumin
Aluminium and steel cans can be separated using a magnet, as steel is magnetic while aluminium is not. By running a magnet over a pile of cans, the steel cans will be attracted to the magnet while the aluminium cans will not, allowing for easy separation.
Window frames used to be made from steel but aluminium is lighter and does not rust.
copper aluminium iron and steel is an excellent conductor of electricity and heat is one of the properties of copper aluminium iron and steel and it is used in conducting electricity.
Aluminium has some advantages over steel. Since it has a lower density than iron or steel, a car body made from aluminium will be lighter than the same car body made from steel. This results in improved fuel economy. Also, aluminium does not corrode easily, so a car body made from aluminium will corrode less, and may last longer, than one made from steel. However, aluminium is more expensive than steel. So a car made from aluminium is likely to be more expensive than one made from steel.
neither of them corrodes. Both of them are passivated, in stainless steel it is a film of chromium oxide, in aluminium a film of aluminium oxide.
aluminum steel
steel rusts
Steel is hard and cannot be wrapped easily. Weight of steel is more than aluminium foil. Aluminium foil is rust-free.
Usually an aluminum alloy, although high-end ones may be of titanium.
They're strong but don't weight much. That's why they use them in space shuttles instead of steel.
if i had to take a guess i would say steel.