Iron+and+Steel

= IRON AND STEEL =

media type="file" key="iron and steel.wav" The Iron and steel are great materials to work with because is cheaper than other materials, it's also stronger and can be use in taller construction. between the 1800 this materials where used for masonry, tension members, for roofs, doors, windows and decoration. The Iron was commonly used for the construction of bridges because of its stability and strength. It also was resistant to fire and corrosion. This advantages provides it's use for columns, arches and skeletal structure.

The Steel substitute the iron because of its tensility, strength and hight resistance to stresses so it was use as beams. This materials helps to resolve the trouble of the distribution of stress, using beams and columns. Nowadays the use of stainless steel helps prevent corrosion and the process of covering the material with some protection was obsolete.