Ngwakọta Kemịkalụ
| Ọkwa | C% | P% | S% | Mn% | Si% | Cu% | Ni% | Kọ% | Fe% | |||
| Oke kachasị 0.04 | Kachasị 0.020 | Kachasị 0.020 | Oke kachasị 0.30 | Oke kachasị 0.30 | Kachasị 0.20 | Oke -0.5 | 49.0~51.0 | Bọl. |
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