技术参数：

Cr2O3            28% basis (26% min.)

Cr/Fe Ratio    1.70:1 min.

Al2O3            10% min. 16%max.

MgO              24% max.

P                    0.03% max.

S                    0.03% max.

MgO:Al2O3   1.5:1 min.

Size               10-300mm 90%min.