MMTC

[ IRON ORE I MANGANESE ORE I CHROME ORE I OTHERS ]

CHROME ORE

SPECIFICATIONS OF EXPORTABLE GRADES FRIABLE CHROME ORE

GRADE

Cr2O3
(Basis)

Al2O3
(Max.)

SIO2

(Max) (Min)

PHOS
(Max)

SULPHUR
(Max.)

CR:FE
Ratio

PHYSICAL
SIZE

HIGH GRADE

54/52
%

54%

12.0%

5%

4%

0.007%

0.03%

3.00:1

FRIABLE

52/50
%

52%
Max

12.0%

7%

4%

0.007%

0.03%

2.8:1
Min

FRIABLE

50/48
%

50%

12.50%

7%

4%

0.007%

0.03%

2.6:1
Min

FRIABLE

MEDIUM GRADE

46/44
%

46%

14.0%

7%

4%

0.007%

0.03%

2.2:1
Min

FRIABLE

42/40
%

42%

18.0%

8.5%

4%

0.007%

0.03%

1.8:1

FRIABLE

OFF GRADE

52/50
%

52%

12.5%

7%

4%

0.009%

0.03%

2.2:1

MINUS 100 MM
90% MIN

SPECIFICATIONS OF CHROME CONCENTRATES
GRADE	50-48%
Cr2O3(BASIS)	50%
Al2O3	12.5% Max.
SiO2	2 to 5% Max.
Phos	0.007% Max.
Sulphur	0.01% to 0.03% Max
MgO	14% Max
Cr:Fe Ratio	2.5:1 to 2.8:1 Min
Physical Size	0-2 MM 95%
Packing	In Bulk

SPECIFICATIONS OF LUMPY CHROME ORE
GRADE	40-38%
Cr2O3 (Basis)	40% (Min 38%)
Al2O3	11% Max.
SiO2	17% Max.
Phos	0.007% Max.
S	0.03% Max.
MgO	23.00% Max.
CaO	1.00% Max.
Cr : Fe Ratio	2.6:1Min.
Physical Size 10MM TO 100 MM (90%)	TOLERANCE 5% ON EITHER SIDE
Packing	IN BULK

[ IRON ORE I MANGANESE ORE I CHROME ORE I OTHERS ]