技术参数：

Cr2O3            42% basis (38% min.)

Cr/Fe Ratio    2.00:1 min.

Al2O3            20% max.

MgO              20% max.

P                    0.02% max.

S                    0.02% max.

MgO:Al2O3   0.80:1 min.

Size                0-1mm 100%