Location：
| Grade | Chemical composition | ||||||
| C | Mn | Fe | P | S | Si | Ni | |
| NiFe55 | ≤0.1 | ≤0.4 | Remainder | ≤0.02 | ≤0.02 | ≤0.5 | 54.0-56.0 |
| NiFe60 | ≤0.1 | ≤0.4 | Remainder | ≤0.02 | ≤0.02 | ≤0.5 | 59.0-61.0 |
| Grade | Chemical composition | ||||||
| C | Mn | Fe | P | S | Si | Ni | |
| NiFe55 | ≤0.1 | ≤0.4 | Remainder | ≤0.02 | ≤0.02 | ≤0.5 | 54.0-56.0 |
| NiFe60 | ≤0.1 | ≤0.4 | Remainder | ≤0.02 | ≤0.02 | ≤0.5 | 59.0-61.0 |
