Alpha ferrite structure. It represents the stable form of iron at room temperature and up to approximately 912°C under equilibrium conditions. It is this crystalline structure which gives steel and cast iron their magnetic properties, and is the classic example of a ferromagnetic material. It is thermodynamically stable and a fairly soft metal. It is also called alpha iron. com Ferrite is one of the allotropic forms of iron. ". C crystal structure. Fe3C is called cementite and lastly (for us), the "eutectic like" mixture of alpha+cementite is called pearlite. Ferrite is a common constituent in steels and has a Body Centred Cubic (BCC) structure [which is less densely packed than FCC]. This configuration features an iron atom at each corner of the cube and one atom at the center of the cube, hence the name "body-centered. 02 percent of Carbon at 727 degree Celcius. Austenite is often designated as the gamma phase. atom arrangement Classification by Properties: ferroelastic FEL, ferromagnet FM, metal, superconductor Mineral Name (s): – Pearson Symbol: cI2 Space Group: 229 Phase Prototype: W Measurement Detail (s): automatic diffractometer (determination of cell parameters), automatic diffractometer; Seifert-FPM URD-6 (determination of structural Ferrite, also known as α-ferrite (α-Fe) or alpha iron, is a materials science term for pure iron, with a body-centered cubic B. c. Although structurally identical, the ferrite forming at the higher temperature is designated delta ferrite while the ferrite forming at the lower temperature is called alpha ferrite. Note the gaps between the eight corner atoms are larger in austenite than in ferrite. α-Fe can be subjected to pressures up to ca. Ferrite also known as alpha iron is a materials science term for iron, or a solid solution with iron as the main constituent, with a body-centered cubic crystal structure. C. Below 912 °C (1,674 °F), iron has a body-centered cubic (bcc) crystal structure. 15 GPa before transforming into a high-pressure form termed ε-Fe discussed below. Jun 3, 2025 · At room temperature, pure iron predominantly exists in the alpha-iron (ferrite) phase, characterized by a Body-Centered Cubic (BCC) crystal structure. This is because of the configuration of the iron lattice which forms a BCC crystal structure. See full list on nuclear-power. Mild steel (carbon Ferrite or α-ferrite is a body-centered cubic structure phase of iron which exists below temperatures of 912°C for low concentrations of carbon in iron. Below 912 °C (1,674 °F), iron has a body-centered cubic (bcc) crystal structure and is known as α-iron or ferrite. Phase Label (s): Fe rt Structure Class (es): b. May 22, 2025 · Alpha iron, also known as ferrite, is a fundamental microstructural phase in steel and iron alloys characterized by a body-centered cubic (BCC) crystal structure. Nov 19, 2016 · Alpha Ferrite can only dissolve up to 0. The primary phase of low-carbon or mild steel and most cast irons at room temperature is ferromagnetic α-Fe. It has a strength of 280 N/mm2 and a hardness of approximately 80 Brinell. dl e5yb9 yap kfg eb rvn wzu1gj t54vr 3yo7y5 to0t05