OREANDA-NEWS. November 22, 2007. Tulachermet is reconstructing its pig iron trough No.2 of the blast furnace No.3 using metalware constructed by Russian company OAO KVOiT (consolidated under Industrial Metallurgical Holding) and refractory concretes of German company Beck. u. Kaltheuner. The reconstruction will extend its functioning and will reduce the consumption of expensive refractory materials.