
Metal World Insight
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A premier online technical knowledge platform for the metallurgist and steel makers, covering insights of Metal Industries, primarily Iron and Steel Industries and other industries directly or indirectly associated with it.
Metal World Insight
6M ago
Coal can be categorised into various types namely lignite, bituminous, sub bituminous and anthracite. Lignite is considered the lowest grade of coal, anthracite being the highest because of its highest heating value and highest carbon content (up to 97%).
The post Characteristics of various types of Coal appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
Hilt’s law states the deeper the coal the higher will be the rank or the grade of coal formed. The law holds true if the thermal gradient is entirely vertical.
The post Hilt’s Law appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
The BF-BOF route accounts for 71% of the steel produced, whilst the EAF route accounts for 29% of steel produced in the world. Each tonne of steel produced via the BF-BOF route requires about 0.77 tonnes of coal.
The post More than 70% of the World Steel is produced using Coal appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
Coal formation began to develop about 300 million years ago, during the time of Carboniferous period. This period witnessed wide, shallow seas and dense forests. The seas occasionally flooded the forested areas, thereby trapping plants and algae at the bottom of a swampy wetland. Some new plants grew, while some died and fell into the swamp waters. With time, thick layers of dead plants rotting in the swamp compounded and got buried and compressed under the weight of overlying mud and vegetation.
The post It takes millions of years to form coal- Hi ..read more
Metal World Insight
6M ago
The iron age is defined as the prehistoric time which succeeded the bronze age and had witnessed the predominance of ferrous metallurgy. Modern archaeological evidence suggests the commencement of large-scale production of iron in and around 1200 BC, marking the end of the Bronze Age. This age is largely characterized by the mass production of tools, […]
The post Use of iron dates back to the Iron Age appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
Coal can be categorised into various types namely lignite, bituminous, sub bituminous and anthracite. Lignite is considered the lowest grade of coal, anthracite being the highest because of its highest heating value and highest carbon content (up to 97%).
The post Characteristics of various types of Coal appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
Hilt’s law states the deeper the coal the higher will be the rank or the grade of coal formed. The law holds true if the thermal gradient is entirely vertical.
The post Hilt’s Law appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
Brazil and Australia accounts for the major production of iron ore worldwide. As of 2020, Brazil had reserves of 34 billion metric tons of crude ore whereas Australia has about 50 bilion tons of crude ore.
The post 12 World’s Largest Iron ore reserves 2020 appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
Iron is the 4th most abundant element in earth crust having a composition of close to 5%
The post Iron and Earth appeared first on Metal World Insight ..read more
Metal World Insight
6M ago
The BF-BOF route accounts for 71% of the steel produced, whilst the EAF route accounts for 29% of steel produced in the world. Each tonne of steel produced via the BF-BOF route requires about 0.77 tonnes of coal.
The post More than 70% of the World Steel is produced using Coal appeared first on Metal World Insight ..read more