Steel Buildings in Europe

Part 1: Architect’s Guide 1 - 5 Section IPE UPE HD HE HL Height (mm) 80 - 750 80 - 400 260 - 400 100 - 1000 620 - 1100 Figure 1.6 Typical hot rolled profiles For larger spans, deep beams or other structural members can be fabricated from hot rolled sections and plate to form geometrically complex members. Hot rolled sections can be curved after manufacture, using bending equipment, or be converted to perforated web profiles using a variety of approaches, some of which split the beam into two in such a way that the two parts can be welded together as a deeper beam, with its spanning ability much increased. Lighter steel sections can be formed by bending thin sheet steel into C or Z profiles. Normally this is done using either a cold rolling line (for standard sections) or by using a press or folding machine (for special sections). Common structural profiles range from around 80 mm to 350 mm deep, as shown in Figure 1.7, and are particularly suitable for roof purlins and side rails that support cladding, for lightweight frames, and as support to internal walls and partitions. Wide thin sheets can be formed by cold rolling into profiled cladding for roofs and walls (see typical profiles in Figure 1.8) and into profiled floor decking.