Steels that contain specified amounts of alloying elements -- other than carbon and the commonly accepted amounts of manganese, copper, silicon, sulfur, and phosphorus -- are known as alloy steels.

In its purest form, iron is neither exceptionally strong nor hard - in fact, a block of pure iron could be cut with a knife. The addition of carbon and the removal of oxygen are what give iron-based ...

Weathering steel (WS), also known as low‐alloy steel, are steels with a carbon content of less than 0.2 wt. % to which mainly Cu, Cr, Ni, P, Si and Mn are added as alloying elements to a total of no ...