Mineral And Metal Ores

STC has been regularly importing various types of mineral ores and concentrates into India to meet the requirements of actual users in the country. 

Manganese Ore


Typical Specifications of Manganese Ore required for Ferro-manganese in India:
Constituents Mineral Ore Grade
48% and above 46-48% 44-46% 42-44% 40-42% 38-40%
Fe (max.) 7% 8% 10% 11% 13% 15%
SiO2 (max.) 7.5% 9% 10% 11% 12% 13%
Al2O3 (max.) 2% 3% 3.5% 4% 5% 6%
SiO2+Al2O3 (max.) 8% 10% 10% 12% 13% 15%
Mn:Fe ratio (min.) 7 6 4.5 3.5 3 2.5


Iron Ore
STC exports Iron ore to various clients mainly based in China and East Asia.

Typical Specifications of Iron Ore:
Fe content 50% 51% 52% 53% 57% 59% 63%
Sio2 7% 11% 10% 7% 8% 6.5% 4.5%
Al2o3 8.5% 6.5% 6% 7% 5% 4.5% 6.5%
S 0.03% 0.03% 0.03% 0.07% 0.03% 0.07% 0.03%
P 0.06% 0.08% 0.06% 0.07% 0.07% 0.08% 0.08%
Moisture 11% 10% 10% 10% 10% 9% 10%
Size>10mm 10% 10% 10% 10% 10% 10% 10%
Size<150micron 35% 35% 35% 35% 35% 40% 35%
Size< 10mm 90% 90% 90% 90% 90% 90% 90%