High-volatile bituminous coal
High-volatile bituminous coal occupies an important place among the ranks of coal used around the world. This article summarizes its geological characteristics, where it occurs and is mined, economic and…
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…
Soft coking coal
Soft coking coal occupies a specific and important niche within the family of bituminous coals. It combines properties that make it partially suitable for metallurgical processes, particularly when blended with…
Hard coking coal
Hard coking coal is one of the most important raw materials in traditional iron- and steelmaking. Unlike thermal coal used mainly for power generation, this specialised grade of coal is…
