ANVENDNING AV MAGNESIT KROMSTENAR FOR ELDFAST INFODRING AV STATIONERA ELLERRORLIGA KERL FOR UPPTAGNING AV RAJERN

摘要

A refractory lining for a vessel holding pig iron comprises magnesite-chromite bricks containing from 15-30%, by weight, of chromic oxide. The chromite is so highly dissolved in the brick mass that it has no more than a 12%, by volume, residue of chromite.