铬铁矿是冶金工业的重要原料,在耐火材料、化学等工业中也有重要用途.1970年世界产铬铁矿约520万吨,约占钢产量(5.95亿吨)的1%. 国外的铬矿资源多为可供直接使用的高品位矿石,且售价低(每吨约合人民币120～150元).因此,一般都是开采后直接出售;即使选矿,工艺过程也比较简单. 近年来,高级合金钢和特种合金的生 Chromite is an important raw material for the metallurgical industry, and it also has important applications in the refractory and chemical industries. The world produced about 5.2 million tons of chromite in 1970, accounting for about 1% of the steel output (595 million tons) .Chromium Most of the ore resources are high-grade ore that can be used directly, and the selling price is low (about 120-150 yuan per ton). Therefore, it is generally sold directly after mining; even if beneficiation, the process is relatively simple. , Advanced alloy steel and special alloys