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Krawcheck commissioned a wrought iron gate for the rear of his store, which was located on King Street. However, Simmons had to create the gate out of scrap iron because the demand for iron during World War II made it impossible to acquire new iron. [1] This was the first iron gate that Simmons ever crafted and delivered to a customer. [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 ...
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]
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 ...
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.
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 ...
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.
In the maritime history of Africa, there is the earlier Dufuna canoe, which was constructed approximately 8000 years ago in the northern region of Nigeria; as the second earliest form of water vessel known in Sub-Saharan Africa, the Nok terracotta depiction of a dugout canoe was created in the central region of Nigeria during the first ...