At room temperature it is body-centered cubic, between 912 and 1394 C if is face- centered cubic, and between 1394 and its melting point at 1538 C it returns to body-centered cubic. Low carbon steel ...

Iron goes from a face-centered cubic (FCC) structure—the gamma phase, or austenite—at high temperatures to a body-centered cubic (BCC) structure—alpha phase, or ferrite—at a lower ...

In the solid state Potassium has a body-centered cubic crystal structure with a = 0.533 nm and a nearest neighbor distance of 0.277 nm. ...