Topic summary
H-beam
Extracted from the Wikipedia article 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), and double-T (especially in Polish, Bulgarian, Spanish, Italian, and German). I-beams are typically made of structural steel and serve a wide variety of construction uses.