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Chromium was first isolated as a metal in 1798, but it was not until 1818 that it was put to regular use in pigments for the manufacturing of wallpaper. With the development of the world steel industry during the 20th century, chromium has assumed a considerable importance as an alloying element. Chromium usage may be …

GUARANTEED SPECIFICATIONS AT LOADING PORT: Chemical Composition (on Dry Basis) 48/46   Cr2O3   48% Basis, below 46% reject SiO2   6% MAX. Al2O3   13% MAX. MgO   20% MAX. S 0.03% MAX. P 0.01% MAX. Cr/Fe Ratio 2.3/1 MIN   Physical Composition   Size     0mm-3mm 97%   GUARANTEED SPECIFICATIONS AT LOADING PORT: Chemical …

1- Chrome Ore Lumpy 42/40 Cr2O3 = 42%, 40% min, SiO2 = 12% max, Cr:Fe = 2.60:1 min, MgO = 22% max Al2O3 = 10% max P = 0.007% max S = 0.05% max Moisture: 3% max Size: 0-10mm = 30% max 10 – 300 mm = 70% min (Moisture free at 105c) Quantity: 1000-3000 mt …

Refractory Grade Chrome ore Lumps, Cr2O3 = 50% min, typ. 53-54% SiO2 = 3.5% max, typ 2.2% Cr:Fe = 3.0:1 min, typ 3.24:1 MgO = 20% max FeO = 16% max CaO = 0.8% max Al2O3 = 13% max P = 0.007% max S = 0.05% max Moisture: 2% max Size: 0-10mm = 10% max 10 …