South Africa Chrome Ore Concentrate 42%, 0-2mm 98% Min IntroductionChromium ... is extremely hard and the main sources of chrome is used in high-temperature refractory materials. Chromium ... metallurgy, Chromium mainly aims at producing Ferro Chrome as an additive of steel to generate various ... the refractory materials, chromium ore aims at making chrome-magnesite bricks. In the field of chemical industry, ...