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structural steel

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noun
  1. the variety of steel shapes rolled for use in construction.
  2. a steel having a composition suitable for such shapes.

Origin of structural steel

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for structural steel

structural steel

noun
  1. a strong mild steel used in construction work
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012