The composition of silicon manganese alloy includes manganese, silicon, iron, a small amount of carbon, and various other elements. This particular alloy possesses broad applications and exhibits high production levels. It serves as a prevalent compound deoxidizer in steelmaking processes and is utilized as a reductant in electro silicothermic methods for producing low carbon ferromanganese and metallic manganese. The smelting of silicon manganese alloy can be achieved continuously in submerged arc furnaces of varying sizes, including large, medium, and small ones.