Indicators of fire and explosion dust: Auto-ignition temperature — more than 1000 ° C; Maximum explosion pressure 700 kPa; The rate of pressure increase in the explosion of 22,000 kPa · s-1; The minimum ignition energy is 1280 mJ. The intensity of gassing of the moistened powder of the 0−3 mm fraction is 0.022 dm3 / kg · h. The lower concentration limit of flame spread is 240 g / m3; self-ignition temperature of aerosol 980 ° С
It is used in steel making and foundry industry for deoxidization and as an alloying element in the production of corrosion-and heat-resistant, electrical and spring-spring steels.