The most common metals and its modern use.

It’s important to understand the commonly available metals first, in order to be able to utilize them in the future. Likewise, you should also understand the main differences, which we will try to highlight, where appropriate of course. In this article we are going to cover the iron, steel, copper and brass, aluminum and titanium.

Iron is actually the cheapest of the above, and is easily obtainable. Like all metals, iron is being mined from the earth, though due to its large prevalence the deposits could even be found in playgrounds and vegetable gardens. Iron is being mined in a form of its oxide, a dirty looking and somewhat dark material. Further it is being refined by smelting, and cast into iron bars.

The qualities of iron are as follows. It has a medium hardness and elasticity, and it can be easily forged, so it’s relatively easy to use. The main disadvantage of iron is it corrodes very quickly in relatively low humidity. That is why iron is often used together with a protective paint, which prevents water particles from contacting with iron surface. This method is quite cheap, though hardly long lasting.

Steel is a combination of iron with different materials, typically carbon, to make harder. Other substances could also be used to make a certain alloy, with its distinct characteristics. There are thousand different types of steel brands, which apart from the alloy compound may also depend on its manufacturing process. Steel can rust just as much as iron, other steels are effectively waterproof.

Copper is a bit rarer material that has a range of its own unique qualities. Copper is relatively malleable, and does not react with the water, making a good use for durable water pipes that could also be slight bent while fitting. Another use is electronics as copper is highly conductive, and is easy to solder. The copper alloys often include addition of zinc, which make harder brass.

Aluminum is a quite stable metal, it hardly reacts with anything in living conditions, and so is often use for cooking ware. Aluminum is even softer than copper, and is also very light weight. As it’s quite soft, some alloys are being made to compensate this quality. A good aluminum alloy could be somewhat compared to titanium though not as durable.

Finally the titanium is the most durable from the above, only competing with different marks of steel. Unlike steel though, it is resistant to water and is more than two times lighter. This makes it ideal for use in aircrafts and other expensive pieces of equipment where weight is important. Titanium can also be used for making bladed tools, although the titanium steel alloy is used more commonly.

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