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2. I-beam - Wikipedia

   en.wikipedia.org/wiki/I-beam

   An I-beam is any of various structural members with an Ɪ- (serif capital letter 'I') or H-shaped cross-section. Technical terms for similar items include H-beam, I-profile, universal column (UC), w-beam (for "wide flange"), universal beam (UB), rolled steel joist (RSJ), or double-T (especially in Polish, Bulgarian, Spanish, Italian, and German).

3. Structural shape rolling - Wikipedia

   en.wikipedia.org/wiki/Structural_shape_rolling

   Cross-sections of continuously rolled structural shapes, showing the change induced by each rolling mill. Structural shape rolling, also known as shape rolling and profile rolling, [1] is the rolling and roll forming of structural shapes by passing them through a rolling mill to bend or deform the workpiece to a desired shape while maintaining a constant cross-section.

4. Hollow structural section - Wikipedia

   en.wikipedia.org/wiki/Hollow_structural_section

   A hot-rolled HSS-box section cut open with a bandsaw, demonstrating residual stress. A hollow structural section (HSS) is a type of metal profile with a hollow cross section. The term is used predominantly in the United States, or other countries which follow US construction or engineering terminology.

5. Structural steel - Wikipedia

   en.wikipedia.org/wiki/Structural_steel

   A steel Ɪ-beam, in this case used to support timber joists in a house Ɪ-beam (serif capital 'Ɪ'-shaped cross-section – in Britain these include Universal Beams (UB) and Universal Columns (UC); in Europe it includes the IPE, HE, HL, HD and other sections; in the US it includes Wide Flange (WF or W-Shape) and H sections)

6. Rolling (metalworking) - Wikipedia

   en.wikipedia.org/wiki/Rolling_(metalworking)

   A coil of hot-rolled steel Hot-rolled metals generally have little directionality in their mechanical properties or deformation-induced residual stresses . However, in certain instances non-metallic inclusions will impart some directionality and workpieces less than 20 mm (0.79 in) thick often have some directional properties.

7. Steel frame - Wikipedia

   en.wikipedia.org/wiki/Steel_frame

   The central "web" of the steel I-beam is often wider than a column web to resist the higher bending moments that occur in beams. Wide sheets of steel deck can be used to cover the top of the steel frame as a "form" or corrugated mold, below a thick layer of concrete and steel reinforcing bars. Another popular alternative is a floor of precast ...