Steelmaking Operations
(%)
Fiscal year | 1990 | 2000 | 2011 |
---|---|---|---|
Percentage share by energy source | |||
Coal based energy | 82.1 | 84.5 | 84.3 |
Purchased electricity | 12.4 | 10.0 | 10.3 |
Oil-based energy | 5.5 | 5.6 | 5.4 |
Total | 100.0 | 100.0 | 100.0 |
Consumption in PJ | 2,469 | 2,260 | 2,239 |
Energy consumption per ton of crude steel produced (GJ/t-s) | 22.61 | 23.83 | 21.53 |
Fiscal year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
---|---|---|---|---|---|---|---|
Percentage share by energy source | |||||||
Coal based energy | 84.8 | 84.6 | 84.4 | 84.3 | 84.6 | 85.3 | 84.7 |
Purchased electricity | 10.1 | 10.3 | 10.4 | 10.1 | 9.7 | 8.5 | 9.3 |
Oil-based energy | 5.1 | 5.1 | 5.2 | 5.6 | 5.7 | 6.2 | 6.0 |
Total | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Consumption in PJ | 2,253 | 2,295 | 2,264 | 2,178 | 2,172 | 2,155 | 2,124 |
Energy consumption per ton of crude steel produced (GJ/t-s) | 21.43 | 20.76 | 20.87 | 21.11 | 20.89 | 20.94 | 21.04 |
* Some data from 1990 to 2006 have been retroactively
adjusted when the data for 2007 were reported.
Source: Handbook for Iron and Steel Statistics
(The Japan Iron and Steel Federation)
(kg/ton of pig iron tapped)
Fiscal year | 1973 | 1980 | 1985 | 1990 | 1995 |
---|---|---|---|---|---|
Reduction material rate | 498 | 476 | 501 | 504 | 522 |
Coke rate | 440 | 458 | 484 | 440 | 408 |
PCI rate | 0 | 0 | 15 | 60 | 111 |
Tar rate | 5 | 6 | 2 | 1 | 2 |
Heavy oil rate | 53 | 12 | 0 | 3 | 1 |
Fiscal year | 2015 | 2016 | 2017 | 2018 | 2019 |
---|---|---|---|---|---|
Reduction material rate | 514 | 515 | 518 | 522 | 516 |
Coke rate | 340 | 339 | 335 | 343 | 336 |
PCI rate | 174 | 176 | 183 | 179 | 180 |
Tar rate | 0 | 0 | 0 | 0 | 0 |
Heavy oil rate | 0 | 0 | 0 | 0 | 0 |
Notes:
1) PCI: Pulverized coal injection
2) 1990 and before: BF fuel rate
Source: Handbook for Iron and Steel Statistics
(The Japan Iron and Steel Federation)
(1,000 kiloliters)
Fiscal year | 1973*1 | 1980 | 1985 | 1990 | 1995 |
---|---|---|---|---|---|
Japanese steel industry*2 | |||||
Heavy oil | 13,463 | 4,120 | 1,878 | 2,274 | 1,925 |
Kerosene and light oil | 1,003 | 686 | 364 | 423 | 354 |
LNG and LPG (1,000 tons) | 825 | 884 | 792 | 1,129 | 1,103 |
Nippon Steel Corporation | |||||
Heavy oil | 4,522 | 1,044 | 118 | 199 | 118 |
・For BF injection | 2,498 | 607 | 0 | 73 | 8 |
・For reheating/power generation | 2,024 | 437 | 118 | 126 | 110 |
Kerosene and light oil | 309 | 43 | 22 | 43 | 32 |
LNG and LPG (1,000 tons) | 150 | 377 | 281 | 370 | 511 |
Fiscal year | 2016 | 2017 | 2018 | 2019 |
---|---|---|---|---|
Japanese steel industry*2 | ||||
Heavy oil | 483 | 520 | 397 | 339 |
Kerosene and light oil | 113 | 112 | 113 | 103 |
LNG and LPG (1,000 tons) | 715 | 734 | 699 | 634 |
Nippon Steel Corporation | ||||
Heavy oil | 70 | 78 | 92 | 50 |
・For BF injection | 0 | 0 | 0 | 0 |
・For reheating/power generation | 70 | 78 | 92 | 50 |
Kerosene and light oil | 14 | 14 | 14 | 15 |
LNG and LPG (1,000 tons) | 657 | 730 | 667 | 569 |
*1 Highest (since 1970)
*2 Source: Handbook for Iron and Steel Statistics
(The Japan Iron and Steel Federation)
*Blast furnace top-pressure recovery turbines, waste heat recovery from coke- dry quenching equipment, others