Review Article
Advances in Energy Conservation of China Steel Industry
Table 1
Steel ratio coefficients of CSI during 1980–2010 (t-product/t-crude steel).
| Year | Coke-making | Sintering | Iron-making | Open hearth | BOF | EAF | Steel rolling |
| 1980 | 0.793 | 1.727 | 1.082 | 0.320 | 0.488 | 0.192 | 0.765 | 1985 | 0.706 | 1.638 | 1.012 | 0.263 | 0.521 | 0.216 | 0.800 | 1990 | 0.632 | 1.602 | 0.990 | 0.198 | 0.589 | 0.213 | 0.811 | 1995 | 0.580 | 1.619 | 0.992 | 0.137 | 0.667 | 0.196 | 0.812 | 2000 | 0.402 | 1.517 | 0.922 | 0.008 | 0.877 | 0.115 | 0.890 | 2005 | 0.404 | 1.334 | 0.875 | NA | 0.883 | 0.117 | 0.920 | 2010 | 0.334 | 1.269 | 0.944 | NA | 0.902 | 0.098 | 0.945 |
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NA is the abbreviation for “not available” due to the elimination of open hearth.
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