Item | Index |
(Mn) | 71.0~71.5 |
(Fe)w/% ≤ | 0.0030 |
(Cu)w/% ≤ | 0.00150 |
(Pb)w/% ≤ | 0.0015 |
(Zn)w/% | N.D |
Na2Ow/% ≤ | 0.0050 |
K2Ow/% ≤ | 0.0050 |
CaOw/% ≤ | 0.0100 |
MgOw/% ≤ | 0.0150 |
Cr2O3w/% ≤ | 0.0150 |
(Ni)w/% ≤ | 0.0050 |
(Co)w/% ≤ | 0.0050 |
H2Ow/% ≤ | 0.5 |
D50/μm | 0.5~15.0 |
Specific aream2/g ≤ | 3 |
tap density g/cm3 | 2~6 |