| 检查项目Check Item | 标准值Standard Value |
| Tfe(%) | ≥98.0 |
| C(%) | ≤0.025 |
| S(%) | ≤0.015 |
| 氢损(HL)(%) | ≤0.25 |
| 酸不溶物(AIC)(%) | ≤0.35 |
| Si(%) | ≤0.10 |
| P(%) | ≤0.01 |
| 松装密度g/cm3 | 2.5-2.80 |
| 压缩性g/cm3 | ≥6.60 |
| 流动性S/50g | ≤31"5 |
| 100目(%) | ≤3 |
| 100-200目(%) | ≤50 |
| 200-325目(%) | 余量 |
| —325目(%) | ≥20 |
| Na(ppm) | ≤300 |
| Ni(ppm) | ≤50 |
| Al(ppm) | ≤400 |
| Cu(ppm) | 0 |
| Mg(ppm) | ≤400 |
| Cr(ppm) | ≤200 |
| Mn(ppm) | ≤300 |
| Ca(ppm) | ≤500 |
| Zn(ppm) | ≤100 |