Requirement as per below specifications

Mn % greater than 71.00
SiO2 % less than 0.010 
Al2O3 % less than 0.002
Fe2O3 % less than 0.050
Cr2O3 % less than 0.004
CaO % less than 0.005
MgO % less than 0.020
Na2O % less than 0.010
K2O % less than 0.005
Moisture % less than 1.00
P.T. FSS 0.50 - 0.90
B.D. gm/cc 0.50 - 0.80