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).
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).
Source: Wikipedia "I-beam" · CC BY-SA 4.0
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