Ferrochrome according to its carbon content is divided into carbon ferrochrome and medium, low, micro carbon ferrochrome 4 kinds. As an alloying agent of ball steel, tool steel and high-speed steel with high carbon content, carbon chromium iron can improve the hardenability of steel, increase the wear resistance and hardness of steel, and can also be used as a cast iron additive to improve the wear resistance and hardness of cast iron, while making cast iron have good heat resistance. Microcarbon ferrochrome is suitable for use as alloying element additive in steelmaking.
Microcarbon ferrochrome for use：
Micro-carbon ferrochrome is mainly used in the production of stainless steel, acid-resistant steel and heat-resistant steel. Smelting methods include electric silicon thermal process and thermal blending process.
Microcarbon ferrochrome smelting method：
There are two different smelting methods of microchar ferrochrome, which are thermal blending method and electric silicon thermal method. The two methods are explained in detail.
The process of smelting micro-carbon ferrochrome is to melt pre-melted lime melt and silico-chromium alloy in the hot metal ladle outside the furnace, so as to produce micro-carbon ferrochrome. According to the number of phased reduction of Cr2O3 in slag, the hot blending process can be divided into one-step hot blending method, two-step hot blending method and three-step hot blending method.
The equipment used for electric silicothermic smelting is electric arc furnace, which is the chromium ore, silicochrome alloy and lime added to the electric arc furnace, mainly relying on electric heating to melt the charge, and the silicon in the silicochrome alloy to reduce the Cr2O3 in the chromium ore.
In short, these two smelting methods of micro-carbon ferrochrome need to be standardized in order to produce high-quality products, and can also play its role in future use.
The smelting methods of micro-carbon ferrochrome include electric silicon thermal method, thermal blending method and so on.
It is mainly used to improve the oxidation resistance and corrosion resistance of steel, so that the surface of steel forms a layer of oxidation film with strong adhesion in the oxidation atmosphere, and then the oxidation stops or the oxidation rate slows down. Micro-carbon ferrochrome is mainly used in the production of stainless steel, wear-resistant and heat-resistant steel.
Anyang Zhenxin Metallurgical Materials Co., Ltd was established in 2007. We specialize in producing various alloys for steel making, including silicon nitride, ferrochromium nitride, silicon manganese nitride, ferro manganese nitride, calcium silicon barium, and ferrosilicon metallurgy nodulant, silicon calcium powder etc. Advanced equipment and strict QC Procedures ensure our products in high quality.
