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2. Sheet metal - Wikipedia

   en.wikipedia.org/wiki/Sheet_metal

   Sheet metal of iron and other materials with high magnetic permeability, also known as laminated steel cores, has applications in transformers and electric machines. Historically, an important use of sheet metal was in plate armor worn by cavalry, and sheet metal continues to have many decorative uses, including in horse tack. Sheet metal ...

3. Steel grades - Wikipedia

   en.wikipedia.org/wiki/Steel_grades

   Where x is the material type (only 1 is specified so far), yy is the steel group number (specified in EN10027-2) and zz(zz) is a sequential number designated by the certifying body, the number in brackets being unused but reserved for later use. The steel groups are indicated below:

4. Architectural metals - Wikipedia

   en.wikipedia.org/wiki/Architectural_metals

   However, persons who worked with sheet metal were called tinsmiths, so the term could have sprung from this title. [3] Tinplate was a type of architectural material consisting of sheet iron or steel coated with tin. “Tin roofs,” a type of tinplate, was originally used for armor but eventually as a roofing material.

5. List of materials properties - Wikipedia

   en.wikipedia.org/wiki/List_of_materials_properties

   A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.

6. List of named alloys - Wikipedia

   en.wikipedia.org/wiki/List_of_named_alloys

   This is a list of named alloys grouped alphabetically by the metal with the highest percentage. Within these headings, the alloys are also grouped alphabetically. Within these headings, the alloys are also grouped alphabetically.

7. Structural steel - Wikipedia

   en.wikipedia.org/wiki/Structural_steel

   Plate, metal sheets thicker than 6 mm or 1 ⁄ 4 in. Open web steel joist; While many sections are made by hot or cold rolling, others are made by welding together flat or bent plates (for example, the largest circular hollow sections are made from flat plate bent into a circle and seam-welded). [2]