(0″ x 3/8″)(0 x 9.53 mm)

Chemical Analysis

Dry Basis (105°C) EXPECTED MAXIMUM MINIMUM
Fe 64.20   62.40
SiO2 4.00 5.20  
Al2O3 0.80 1.50  
L.O.I. 3.50 5.20  
P 0.080 0.13  
MnO 0.130    
CaO 0.020    
MgO 0.030    
S 0.015 0.15  
K2O 0.002    
Na2O 0.002    
TiO2 0.120    

Natural Basis

Nat. Fe 59.76    
H2O (yearly average) 6.80 8.5  
 

Physical Composition (natural iron square ISO screens)

+3/8″(+9.53) mm 5.00 10.00  
+1/4″(+6.35 mm) 6.00    
+100 mesh (+149 microns) 77.00    
-100 mesh(-149 microns) 40.00 50.00