Comparison of medium-carbon ferromanganese alloys and high-carbon ferromanganese alloys

Firstly, in terms of chemical composition, the carbon content of medium-carbon ferromanganese alloys ranges from 1.5 per cent to 2.5 per cent and the manganese content ranges from 75 per cent to 85 per cent, while that of high-carbon ferromanganese alloys ranges from 6 per cent to 8 per cent and the manganese content ranges from 70 per cent to 80 per cent. It can be seen that medium carbon ferromanganese alloys have a relatively low carbon content, while high carbon ferromanganese alloys have a high carbon content.

Secondly, in terms of physical properties, the melting point of medium carbon manganese ferroalloys is higher, with a melting temperature of about 1370°C, whereas that of high carbon manganese ferroalloys is lower, at about 1220°C. The melting temperature of medium carbon manganese ferroalloys is about 1,000°C. In addition, medium carbon manganese ferroalloys have better wear resistance and corrosion resistance, and can maintain better hardness and strength at higher temperatures; while high carbon manganese ferroalloys have higher hardness and wear resistance, and can be used in harsher working environments.

In terms of application, medium carbon ferromanganese is mainly used in the production of low carbon ferromanganese, alloy steel, abrasive tools, calcium carbide and refractory ceramics. As medium carbon ferromanganese alloy has better anti-wear and corrosion resistance, it is widely used in metallurgy, machinery, chemical industry, electric power and other industries. High-carbon manganese ferroalloys, on the other hand, are mainly used in the production of high-hardness and high-strength low-alloy steel, high-alloy steel, refractory materials and cutting tools and other products. The high hardness and anti-abrasive properties of high carbon ferromanganese alloys make them ideal materials for the manufacture of cutting tools and abrasives.

In general, there are some differences between medium-carbon manganese ferroalloys and high-carbon manganese ferroalloys in terms of chemical composition, physical properties and application scope. Medium carbon ferromanganese alloys are suitable for the production of low carbon ferromanganese, alloy steels, abrasives and refractory ceramics, while high carbon ferromanganese alloys are suitable for the production of low alloy steels, high alloy steels, refractory materials and cutting tools with high hardness and high strength. According to different product requirements, the selection of appropriate ferromanganese alloys can play a better application in industrial production.