Sheet metal is metal formed into thin, flat pieces, usually by an industrial process.
Sheets of Nirosta stainless steel cover the Chrysler Building.
Microscopic close-up of mild steel sheet metal
Example of deep drawn part
Structural steel is a category of steel used for making construction materials in a variety of shapes. Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section. Structural steel shapes, sizes, chemical composition, mechanical properties such as strengths, storage practices, etc., are regulated by standards in most industrialized countries.
Structural steel roof at Manchester Victoria Station
A steel I-beam, in this case used to support timber joists in a house
Metal deck and open web steel joist receiving spray fireproofing plaster, made of polystyrene-leavened gypsum