Search results
Results from the WOW.Com Content Network
In East Africa, the rise of the Swahili Coast trading states facilitated the exchange of iron goods and metallurgical knowledge with the broader Indian Ocean world. [11] The Great Lakes region, particularly in modern-day Uganda and Rwanda, became known for its high-quality iron production, which supported both local agriculture and regional trade.
Name Image Location Criteria Year Description; Sukur Cultural Landscape: Adamawa. Cultural (iii) (v) (vi) 1999 The Sukur Cultural Landscape, with the Palace of the Hidi (Chief) on a hill dominating the villages below, the terraced fields and their sacred symbols, and the extensive remains of a former flourishing iron industry, is a remarkably intact physical expression of a society and its ...
Iron metallurgy in Africa concerns the origin and development of ferrous metallurgy on the African continent.Whereas the development of iron metallurgy in North Africa and the Horn closely mirrors that of the Ancient Near East and Mediterranean region, the three-age system is ill-suited to Sub-Saharan Africa, where copper metallurgy generally does not precede iron working. [1]
Wrought iron is a form of commercial iron containing less than 0.10% of carbon, less than 0.25% of impurities total of sulfur, phosphorus, silicon and manganese, and less than 2% slag by weight. [18] [19] Wrought iron is redshort or hot short if it contains sulfur in excess quantity. It has sufficient tenacity when cold, but cracks when bent or ...
The iron and steel industry in Nigeria started by government intervention through the construction of various steel rolling mills. After iron ore deposits were discovered in old Kwara State in the 1950s, the Nigerian First Republic government began active planning and mapping of strategies for local production of iron rods and steel. However ...
Ajaokuta Steel Company Limited (ASCL) popularly known as Ajaokuta Steel Mill is a steel mill in Nigeria, located in Ajaokuta, Kogi State, Nigeria. [1] Built on a 24,000 hectares (59,000 acres) site starting in 1979, [ 1 ] it is the largest steel mill in Nigeria, and the coke oven and by-products plant are larger than all the refineries in ...
Lafarge Africa Plc is an industrial company headquartered in Lagos, Nigeria, and listed on the Nigerian Stock Exchange. It is majorly controlled by the Holcim Group . Previously trading under the name of Lafarge Wapco Plc, the merger of Lafarge and Holcim and resulting consolidation of Lafarge's assets in Nigeria and South Africa resulted in ...
Cast iron development lagged in Europe because wrought iron was the desired product and the intermediate step of producing cast iron involved an expensive blast furnace and further refining of pig iron to cast iron, which then required a labor and capital intensive conversion to wrought iron.