What is Cementite?

Or Iron Carbid is a mixture of iron, carbon, or, more precisely, an intermediate transitional metal carbide having the molecular formula Fe3C. It weighs 6.67% and 93.3% respectively. It is a gray-white crystal powder with a relative density of 7.694. It is insoluble when dissolved in cold, hot, and dilute acids. But, it can be dissolved quickly in hot concentrated hydrogen chloric acid to make mixtures with hydrogen, methane and other complex hydrocarbons. Do not react with dry oxygen. Iron oxide and carbon can be formed by oxidizing in moist air. It has an orthorhombic structure. It is a soft and fragile material and, in its natural form, is classified as ceramic. This is why it is an integral part of black metalurgisty. What does Fe3C mean? Fe3C, also known as iron carbide, is also known cementite. How do you make cementite? Primary cementite When the liquid alloy of iron-carbon alloy (hypereutectic yellow cast iron), is cooled below the liquidus, the cementite precipitates. Eutectic cemented cementite: In the ledeburite structure, the point-strip cementite is evenly distributed on the austenite matrix. Preeutectoid phase, cementite: Alloys with hypoeutectoid/hypereutectoid composition are always precipitated with a decrease in temperature. The first precipitated phase of eutectoid conversion is called proeutectoid. Because of the differences in forming conditions, proeutectoid morphology can be divided into three types, block, reticulate, and Widmanstatten structures. Eutectoid cementite: Eutectoid cementite refers to the cementite found in pearlite. Secondary cementite When iron-carbon alloys are slow cooled, such as hypoeutectic iron, hypoeutectic iron cast iron, hypereutectic iron cast iron), the carbon content in austenite becomes saturated. The cementite will precipitate along austenite grain boundaries, with a network distribution. This is secondary cementite, which is precipitated from austenite. Tertiary cementedite: When the equilibrium cooling temperature of industrial pure iron drops below the solid solution line for carbon in iron (FeC equilibrium diagram Q line), then the solubility in carbon in ferrite reaches saturation. The temperature decreases again and the tertiary cemented from ferrite. Because of its small amount, the Tertiary Cementite is precipitated from the Ferrite grain boundary. It generally spreads intermittently along that boundary. It refers only to those that exist outside of the mechanical mixture (structure), such a pearlite (eutectoid) or ledeburite. Iron Carbide Fe3C Powder Price Price is affected by many factors, including supply and demand in a market, industry trends and economic activity. You can email us to request a quote for the latest F3C powder price. (brad@ihpa.net) Iron Carbide Fe3C Powder Supplier Technology Co. Ltd. is a trusted global supplier of chemical materials and manufacturer. It has over 12-years experience in providing super high quality chemicals and nanomaterials including silicon powder. Send us an inquiry if you are interested in high-quality Fe3C Powder. (brad@ihpa.net)