iron and steel industry collieries draft 09 12 2002 1 processes combustion in index 0 annotations about the sector coke oven 2 furnaces 7 3 blast furnace charging 4 pig tapping 15 5 cowpers 18 6 solid smokeless fuel 19 open hearth plant 20 8 basic oxygen bof 23 9 electric eaf 30 10 rolling mills process 34 11 reheating 38 sinter pelletizing plants 41 13 45 14 50 gray foundries 53 16 56 17 general remarks data concerning national experts 59 annex 60 abbreviations 65 glossary 66 references 67 metallurgical can be broadly divided into primary secondary metal production operations refers to of from ore alloys ingots recovery scrap salvage metals includes both ferrous nonferrous these are characterized
