How is Steel Produced? | World Coal AssociationMetallurgical coal – or coking coal – is a vital ingredient in the steel making . of fluxes (minerals, such as line, which are used to collect impurities).complementary industry to steel coal and line,Profile of the Iron and Steel Industry - epa nepis - US EPASector Notebook Project Iron and Steel Industry EPA/310-R-95-005 EPA . Complimentary volumes are available to certain groups or subscribers, such as .. coke, sinter, coal, line, heated air Outputs: • Slag, which is either sold as a.
complementary industry to steel coal and line