Question

Can anybody tell me what happens to iron when heated and iron's main properties and uses !?

Whe iron is heated to 1535 C, it melts. It's principal use is in making steel. It is also an important mineral needed (in small amounts) in human diets, because it is present in red blood cells.

Before iron melts while being heated, it becomes more malleable.

However, since this is not my area of expertise, I searched Google under the key words "<I>iron properties uses</I>" to get these possible sources:

http://www.gcsescience.com/ex22.htm
http://www.ga.gov.au/education/minerals/ironuse.html
http://www.corrosionsource.com/handbook/periodic/26.htm
http://www.webelements.com/webelements/elements/text/Fe/uses.html

I hope this helps a little more. Thanksfor asking.