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 Grades of iron ore


Based on their iron content, iron ores are classified as following:

1. High-grade with more than 65% iron content.

2. Medium-grade with iron content between 65%-62%.

3. Low-grade with less than 62% iron content.

A STANDARD IRON ORE FINES SPECIFICATIONS




CHEMICAL COMPOSITION                GUARANTEED (PERCENTAGE BY WEIGHT)

                             
          FE                                      63.5% MIN REJECTION BELOW 62.5%.
          SIO2                                   3.50% MAX
          Al2O3                                  3.50% MAX
           S                                       0.04% MAX
           P                                       0.06% MAX

PHYSICAL SPECIFICATION           
                              

          BELOW 10MM                    95% MIN   
          ABOVE 10MM                     5% MAX
          BELOW 0.15MM                  25 MAX