I 500x500x11x20 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 500x500x11x20 (México) · Doble T I 500x500x11x20 (Argentina / LATAM) · UB 500 (UK / Australia)

The I 500x500x11x20 steel profile weighs 196.7 kg/m (132.20 lb/ft), has a depth of 500 mm (19.69 in), flange width 500 mm (19.69 in). Cross-sectional area: 25,060 mm². Moment of inertia Ix = 124,189.133 cm⁴, Iy = 41,671.769 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	500 mm	19.69 in
Width (b)	500 mm	19.69 in
Web thickness (tw)	11 mm	0.43 in
Flange thickness (tf)	20 mm	0.79 in
Weight	196.7 kg/m	132.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,060 mm²	38.843 in²
Moment of inertia (Ix)	124,189.13 cm⁴	2983.64 in⁴
Moment of inertia (Iy)	41,671.77 cm⁴	1001.16 in⁴
Elastic section modulus (Sx)	4,967.57 cm³	303.141 in³
Elastic section modulus (Sy)	1,666.87 cm³	101.719 in³
Plastic section modulus (Zx)	5,381.9 cm³	328.425 in³
Plastic section modulus (Zy)	2,513.92 cm³	153.409 in³
Radius of gyration (rx)	22.26 cm	8.764 in
Radius of gyration (ry)	12.9 cm	5.077 in