I 800x500x11x35 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 800x500x11x35 (México) · Doble T I 800x500x11x35 (Argentina / LATAM) · UB 800 (UK / Australia)

The I 800x500x11x35 steel profile weighs 337.8 kg/m (226.99 lb/ft), has a depth of 800 mm (31.50 in), flange width 500 mm (19.69 in). Cross-sectional area: 43,030 mm². Moment of inertia Ix = 548,089.058 cm⁴, Iy = 72,924.764 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	800 mm	31.50 in
Width (b)	500 mm	19.69 in
Web thickness (tw)	11 mm	0.43 in
Flange thickness (tf)	35 mm	1.38 in
Weight	337.8 kg/m	226.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	43,030 mm²	66.697 in²
Moment of inertia (Ix)	548,089.06 cm⁴	13167.84 in⁴
Moment of inertia (Iy)	72,924.76 cm⁴	1752.02 in⁴
Elastic section modulus (Sx)	13,702.23 cm³	836.165 in³
Elastic section modulus (Sy)	2,916.99 cm³	178.006 in³
Plastic section modulus (Zx)	14,852.98 cm³	906.388 in³
Plastic section modulus (Zy)	4,397.08 cm³	268.328 in³
Radius of gyration (rx)	35.69 cm	14.051 in
Radius of gyration (ry)	13.02 cm	5.125 in