Iron+and+Steel

Iron and Steel

Iron and steel are very usefull construction materials. These materials provided a remarkable progress in architecture, thanks to iron and steel stronger and taller structures can be erected with less expenditure of material than stone, brick or wood.

  Iron is strong in compression but is weak in tension.
 * Properties**
 * Iron** 

Constructions made of Iron:

-Archs bridges -Cannos -Historic domes



=Steel =

Steel is stronger than any other material in compression and tension

Constructions made of Steel:

-Cables in suspension bridges -Beams and columns in skyscrapers -Roller coasters