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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)

ISSN:2141-7016

Article Title: Quality Assessment of Commerically Available Reinforced Steel Rods in Nigeria Markets
by J.O Osarenmwinda and E.C Amuchi

Abstract:
The mechanical properties of 10mm and 12mm diameter ribbed reinforced steel rods locally produced was obtained from markets in Lokoja , Kogi state and Oshodi, Lagos State both of Nigeria have been investigated. Steel rod imported from China was also obtained and studied. Tensile, hardness, Impact and metallograpy test was carried out on the sample in accordance with ASTM A706. The results obtained from the tests which ranged from 399 x 106 N/ m2 - 429 x 106 N/ m2 ,648 x 106 N/ m2 -748 x 106 N/ m2 ,599 x 106 N/m2 -719 x 106 N/ m2 ,19%-23%, 170BHN 217BHN, and 30.09J 44.74J for the yield strength, ultimate tensile strength, breaking strength, percentage elongation, hardness and energy absorbed respectively met the ASTM A706 recommended standard. We can conclude that the available steel rods in Nigeria Markets are suitable for structural purpose. The data from this study it is hoped will enrich the information on materials already available to engineers, manufacturers and marketers in other to make well informed decision about steel rods utilisation in Nigeria. It will also help the engineers and designers have adequate knowledge of materials and its properties in other to avoid the use of inferior quality and substandard steel rods that may lead to engineering failure and construction collapse.
Keywords: steel rods, mechanical properties, quality, assessment, Nigeria market.
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom

 

 

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