The history of silicon steel dates back to the late 19th century, when French scientist Pierre Curie discovered that silicon had magnetic properties. Around the same time, scientists in the US were experimenting with adding silicon to iron in an attempt to create a more durable alloy. The first silicon steel was produced in 1901 by Harry Brearley, who is credited with inventing stainless steel.

Silicon steel is an iron alloy with silicon and other trace elements. The silicon content typically ranges from 0.5 to 3.5%, and other elements such as manganese, chromium, and aluminum are often added in small quantities. The silicon gives the steel its magnetic properties, while the other elements improve its resistance to corrosion and wear.