Abstract
An image analysis processing method for the measurement of structure of Federated and Ukraine steel from optical microscope images using imagej program is studied. Some parameters like calculation of area, pixel value statistics, distances and angles measurements, edge detection, such as the circularity, ferret angle, solidity and perimeter, average area and the percentage area was examined. Federated grain count was 114 with perimeter of 447.15 and also has a standard deviation of 7.306 and mean of 27.526. While Ukraine, has a grain count to be 1248 with perimeter of 67.243 and a standard deviation of 5.886 and mean of 28.039. From the mechanical analysis result, 12 mm of Federated steel has the hardness value of 150.8BHN and also has the highest impact value of 66.37J. From the Coefficient of Friction (COF) analysis, Ukraine has a better COF which means the Ukraine steel has a better wear resistance compares with Federated steel.
Highlights
Federated steel mills is located on Block XI, Plot 3-10, Otta Industrial Estate of Idiroko Road, Otta, Ogun State, Nigeria
The plant operates using Electric Arc Furnace with an installed capacity of 25,000 metric tonnes of crude steel, it uses local metal scraps and imports Billet as well. It rolls out 8, 10, 12, 16, 20 and 25 mm reinforcement bars as its end product while Ukraine steel is sourced from the local market in Lagos, Nigeria
The most widely used process used for the manufacture of steel are: Blast Furnace (BFM), the Direct Reduction Method (DRM), the mini mill and the COREX
Summary
Federated steel mills is located on Block XI, Plot 3-10, Otta Industrial Estate of Idiroko Road, Otta, Ogun State, Nigeria. It manufactures all sizes of steel reinforcing Bars, Flat Bars and welding electrodes. The plant operates using Electric Arc Furnace with an installed capacity of 25,000 metric tonnes of crude steel, it uses local metal scraps and imports Billet as well. It rolls out 8, 10, 12, 16, 20 and 25 mm reinforcement bars as its end product while Ukraine steel is sourced from the local market in Lagos, Nigeria. The most widely used process used for the manufacture of steel are: Blast Furnace (BFM), the Direct Reduction Method (DRM), the mini mill and the COREX
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