Question

what is the flammability of iron

Answer 1

Burning Iron. In pure oxygen, things which are normally not flammable, such as iron or steel, can become veryflammable. In the following demonstration, a piece of steel wool is heated in a Bunsen burner flame, and then thrust into a jar containing pure oxygen.

Answer 2

In pure oxygen, things which are normally not flammable, such as iron or steel, can become very flammable