High-carbon coal
High-carbon coal, a term that commonly refers to coal ranks with a high proportion of fixed carbon such as anthracite and certain grades of bituminous coal, remains an important component…
Semi-soft coking coal
Semi-soft coking coal occupies an important middle ground in the world of metallurgical coals. It is neither the highest-grade hard coking coal used to produce premium blast-furnace coke nor the…
Metallurgical coal
Metallurgical coal, commonly called coking coal in industry, is a critical raw material for traditional steelmaking and many heavy industries. Unlike thermal coal used mainly for power generation, metallurgical coal…
Semi-anthracite
Semi-anthracite is a distinct rank of coal that occupies a middle ground between high-grade anthracite and the more common bituminous coals. It combines many of the advantageous physical and chemical…
