Lightweight steel and preparation method thereof, steel structural part, and electronic device

Abstract

This application relates to lightweight steels, preparation methods thereof, and steel structural parts and electronic devices that use the lightweight steel. An example light weight steal includes: Fe, in a percentage by weight greater than or equal to 48.18 wt %; Mn, in a percentage by weight of 30.01 wt % to 35.01 wt %; Al, in a percentage by weight of 12.01 wt % to 15.01 wt %; C, in a percentage by weight of 1.0 wt % to 1.5 wt %; and O, in a percentage by weight of 0.03 wt % to 0.3 wt %. This application further provides a steel structural part, an electronic device that use the lightweight steel, and a preparation method of the lightweight steel.

Dependencies are inferred from the claim text.