Abstract
Standard hot rolled sections are produced in three grades of steel — 43, 50 and 55. These numbers, when multiplied by 10, give the maximum tensile strength of the steel in newtons per square millimetre (N/mm2). By adding chromium and copper to grade 50 steel during manufacture, a weather-resistant steel is produced, which does not require a protective coating.
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© 1985 Peter H. Newton
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Newton, P.H. (1985). Structural Steelwork. In: Structural Detailing. Macmillan Building and Surveying Series. Palgrave, London. https://doi.org/10.1007/978-1-349-07253-8_3
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DOI: https://doi.org/10.1007/978-1-349-07253-8_3
Publisher Name: Palgrave, London
Print ISBN: 978-1-349-07255-2
Online ISBN: 978-1-349-07253-8
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