فرونیوبیوم - Radaron Export Development
Ferroniobium. Ferroniobium is an alloy with about 65% niobium and 35% iron, mainly used as fine alloying material in high strength steel and low alloy (HSLA). This alloy is created through pyrochlore minerals or columbite through the aluminothermic process. In this process, pyrochloride or columbite concentrates are combined with aluminum, iron ...