I 500x500x20x50 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 500x500x20x50 (México) · Doble T I 500x500x20x50 (Argentina / LATAM) · UB 500 (UK / Australia)

The I 500x500x20x50 steel profile weighs 455.3 kg/m (305.96 lb/ft), has a depth of 500 mm (19.69 in), flange width 500 mm (19.69 in). Cross-sectional area: 58,000 mm². Moment of inertia Ix = 264,833.333 cm⁴, Iy = 104,193.333 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)	20 mm	0.79 in
Flange thickness (tf)	50 mm	1.97 in
Weight	455.3 kg/m	305.96 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	58,000 mm²	89.900 in²
Moment of inertia (Ix)	264,833.33 cm⁴	6362.62 in⁴
Moment of inertia (Iy)	104,193.33 cm⁴	2503.24 in⁴
Elastic section modulus (Sx)	10,593.33 cm³	646.448 in³
Elastic section modulus (Sy)	4,167.73 cm³	254.332 in³
Plastic section modulus (Zx)	12,050 cm³	735.339 in³
Plastic section modulus (Zy)	6,290 cm³	383.841 in³
Radius of gyration (rx)	21.37 cm	8.413 in
Radius of gyration (ry)	13.4 cm	5.277 in