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22 answers

Steel is stronger than Iron, But Iron Maiden are better than Steel-Eye-Span......

2006-11-30 06:42:23 · answer #1 · answered by Big Dave 2 · 0 0

Steel

2006-11-30 04:13:53 · answer #2 · answered by Dover Soles 6 · 0 0

In compression I would choose Iron, in tension steel, but really the choice is demanded by use conditions, cost and application.
There are a few rules where they can never be used, and other rules concerning their sympathy to each other.
Marine Engineers would never dream of using metals without referring to a Sympathy Table.
Iron itself has many forms as does steel and neither can be identified with the words Iron and Steel.
Life is complicated we know but not as much as the various metals available today and tomorrow there will be more.

2006-11-30 22:35:51 · answer #3 · answered by Anonymous · 0 0

Steel, due to the fact that Steel is an alloy of Iron. This means that Stell is actually made out of Iron ore and refined to a more pure form, removing any impurities that can cause Iron to break or become brittle

2006-11-30 06:22:04 · answer #4 · answered by sj_lonejag 2 · 0 0

I;m not sure if Iron is more brittle to Steel. If it is then why did the Titanic freeze and make it easier for the ice burg to crack when it was hit, we all know that was made of Steel, but then what do i know about metals or Iron

2006-11-30 04:27:20 · answer #5 · answered by sky 4 · 0 0

According to what I studied in the IGCSE , Iron is an element but Steel is an alloy (mixture of elements).And the difinition of an alloy is some elements that are mixed together to give better properties (Harder and more resistant to corrosion) . So the steel, which is an alloy , is harder than Iron , which is an element.
The alloy of Steel contains Iron and carbon mixed together.
I hope this help...

2006-11-30 05:49:58 · answer #6 · answered by Aeromina 2 · 0 0

Steel is.

Iron is an element. Sometimes when people refer to "iron", they are talking about "cast iron".

Steel is a solution of iron and carbon. In a way, it is like salt water, where you have a lot of water with some salt in it. Steel is a lot of iron, with some carbon in it. As you increase the carbon, you can make the steel stronger (bear in mind that when you talk "stronger" in metals, you are not talking "stiffer", but "springier").

Once you hit about 1% carbon or so, you "saturate" the solution, and begin to get into "cast iron", which is iron with about 2% carbon in it. It is more brittle and weaker than steel.

2006-11-30 04:13:32 · answer #7 · answered by www.HaysEngineering.com 4 · 0 1

Steel is, of course, just iron with the addition of secondary elements. Generally, steel is 'stronger' than pure iron but much depends upon what you mean by 'stronger'!
The commonest additive to iron is carbon. In a relatively small proportion this gives 'mild steel' which is soft and malleable. Add carbon in larger quantities and you get high-carbon tool steel. Many other steels can be made by adding other elements to iron: for example, add chromium and you get stainless steel, add manganese and you get a very hard-wearing manganese steel.

Iron by itself, comes in the form of 'cast iron' (usually brittle but resistant to corrosion) and 'wrought iron' (tough and shock-resistant)

2006-11-30 04:21:49 · answer #8 · answered by clausiusminkowski 3 · 0 0

Iron is strong in compression but not tension. Where steel is both stronger in compression and tension.
Steel also has different strenghts and some are 5 times stronger then other steel.

2006-11-30 04:20:00 · answer #9 · answered by wild4gypsy 4 · 0 0

it all depends on the application.

tensile strength its steel (which by the way is an amalgam)
compressive strength / load bearing its cast iron....

steel is malleable. you can shape it hot ot cold
cast iron isnt. it fractures. you can only cast it, or weld to it.

steel is soft and can wear easily
cast iron is rock hard... and wears very slowly.. (victorian beam engines still have their original parts... 200 years later)

as to processing. steel is an alloy of iron/carbon and trace elements... stainless is chromium and lead (the assay percentage is always noted) the higher the carbon content, teh harder the steel is...and teh more brittle it becomes...

do you use a mild steel bolt, or a high tensile bolt? and steel /iron is teh same...it all depends what you intend it to be used for.

2006-11-30 06:57:05 · answer #10 · answered by Anonymous · 0 0

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