What are the benefits of stainless steel compared to pure iron?

Answer 1

Pure iron is soft, so knives will not stay sharp for long and the tynes of fork will easily bend. Pure iron would get rust on it.

stainless steel is rust proof.

stainless steel is harder than pure iron.

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Answer 2

Iron will rust easily when reacted with oxygen (especially in contact with moisture and/or salt), making it weaker. Stainless steel is much more resistant than iron to rusting, and is also a harder and more structurally sound alloy of iron, chromium, nickel, and carbon.

Answer 3

This question can only be answered when the application is taken into account because both of the materials have excellent properties for different applications.

For example stainless steel is excellent for use in a corrosive environment whereas iron isnt.

Answer 4

Steel does not rust but iron does.

Although strong, iron is also quite brittle. Adding carbon to it to make steel can improve this, giving the material some ductility. Adding other alloying elements also helps to make the iron less susceptible to corrosion.

Additional answer

Actually, the steel that does not rust is stainless steel. Most other steels DO rust. For example, a gate made of mild steel (which it will be if it's not cast iron) will rust if not painted. And railway lines rust.

Steel is iron that has had something, often carbon, added to it. The addition gives the steel some properties that aren't found in just iron. So, there are many types of steel and each type is mader for a specific purpose, apart from mild steel which is a pretty general purpose steel. But it wouldn't be any good for railway lines, for example, because it might bend rather than 'give' and tend to wear out very quickly. So raiway lines have manganese added, which toughens it.

Answer 5

Stainlessteel is better than pure iron in making cutlery because stainless steel is rust proof and harder than pure iron.

Answer 6

CORROSION is the property which makes steel better than iron

Answer 7

One benefit is that stainless steel doesn't rust, so yes it is "cute".On the other hand pure iron is subject to rust because of its chemical properties with oxygen.

Answer 8

so it does not get stained