Question

Why steel alone in water with no other metal present will corrode?

Answer 1

Any material made with iron that is exposed to both oxygen and water will corrode Because steel is made almost entirely of iron, it is the most highly manufactured man made material that is subject to corrode. To understand why steel corrodes, you have to know a little bit about chemistry and the periodic table. After the element Helium, elements like having 8 electrons in their outer shell, and will borrow electrons from other elements to achieve that level. Water, for example is made of an oxygen atom with 6 outer electrons and 2 hydrogen atoms that have 1 electron each. Through the borrowing and sharing of electrons in a reduction reaction, FeO(OH) (the most common form of corrosion) is created.

I hope this would help you.

Answer 2

Answer:

When the steel is exposed to the water, the iron particles are lost to the water's acidic electrolytes. The iron particles then become oxidized, which results in the formation of Fe⁺

Any material made with iron and  that is exposed to both the oxygen and water will corrode Because of the  steel is made almost entirely of iron, it is the most highly manufactured man made material that is subject to corrode.

Common inexpensive steel, in the contrast, reacts with the oxygen from water to form a relatively unstable iron oxide or hydroxide film that continues to the grow with time and exposure to water and air.

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