Wide Flange Beams: Trends Towards Higher Steel Performance

Current Trends in Civil & Structural Engineering- Iris Publishers
Rolled structural shapes (L, I, H, U) were developed already in the 19th century, answering the need to simplify shapes built up from plates assembled together by rivets. The advantages in terms of weight savings, fabrication simplification, manpower time and cost reduction were integral to the acceptance of rolled shapes in every field of structural steelwork. When it comes to H-structural shape, the flagship plant of Differdange, Luxembourg (Europe) developed the parallel wide-flange beams based on the patent by Engineer Henry Grey (1898). With the first beam rolled out in 1901 and achieving the iconic step of 1m tall beam in 1911, the widespread of parallel flange beam was rapid and nowadays has become the standard product of steelwork. Today, the geometric range of available H structural shapes is extensive (beam height from 80mm up to 1150mm, flange width from 50mm up to 476mm, flange thickness from 4mm up to 140mm) with a well-established presence of producers around the world allowing for market competition, product availability and reliable supply chain.


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