I 1100x550x14x40 CISC · Weight & Dimensions

CISC, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: I 1100x550x14x40 (México) · Doble T I 1100x550x14x40 (Argentina / LATAM) · UB 1100 (UK / Australia)

The I 1100x550x14x40 steel profile weighs 457.5 kg/m (307.44 lb/ft), has a depth of 1100 mm (43.31 in), flange width 550 mm (21.65 in). Cross-sectional area: 58,280 mm². Moment of inertia Ix = 1,360,354.267 cm⁴, Iy = 110,939.991 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1100 mm	43.31 in
Width (b)	550 mm	21.65 in
Web thickness (tw)	14 mm	0.55 in
Flange thickness (tf)	40 mm	1.57 in
Weight	457.5 kg/m	307.44 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	58,280 mm²	90.334 in²
Moment of inertia (Ix)	1,360,354.27 cm⁴	32682.51 in⁴
Moment of inertia (Iy)	110,939.99 cm⁴	2665.33 in⁴
Elastic section modulus (Sx)	24,733.71 cm³	1509.350 in³
Elastic section modulus (Sy)	4,034.18 cm³	246.182 in³
Plastic section modulus (Zx)	26,961.4 cm³	1645.292 in³
Plastic section modulus (Zy)	6,099.98 cm³	372.245 in³
Radius of gyration (rx)	48.31 cm	19.021 in
Radius of gyration (ry)	13.8 cm	5.432 in