Coking coal beats iron ore to top spot for most expensive steelmaking input 21 September 2021 Coking coal has surpassed iron ore to become the most expensive raw material input for…Author: Capt. Johnhttps://www.spglobal.com/platts/en/market-insights/latest-news/metals/092121-coking-coal-beats-iron-ore-to-top-spot-for-most-expensive-steelmaking-input