
Silicon Manganese (SiMn) is a ferroalloy composed primarily of manganese, silicon, and iron, produced by smelting a blend of manganese ore, quartz, and coke in a submerged arc furnace. This alloy is a critical additive in steel production, known for enhancing steel’s mechanical properties and resistance to wear, impact, and corrosion.
Typical Composition:
Manganese (Mn): 60–70%
Silicon (Si): 14–18%
Carbon (C): Up to 2%
Minor amounts of sulfur and phosphorus
Applications:
Steel Industry: SiMn is widely used in the manufacturing of construction steel, stainless steel, and alloy steels. It serves both as a deoxidizer (removing oxygen during steelmaking) and an alloying element that improves strength, toughness, and elasticity.
Foundry Industry: Used in castings to improve surface finish and strength.
Key Benefits:
Enhances hardenability and strength of steel
Reduces brittleness and improves ductility
Helps control the grain structure and surface quality of the steel
Cost-effective alloying solution compared to adding silicon and manganese separately
Available in various lump sizes and grades, our Silicon Manganese meets international quality standards and can be customized to suit specific industrial requirements.