I 2000x550x20x50 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 2000x550x20x50 (México) · Doble T I 2000x550x20x50 (Argentina / LATAM) · UB 2000 (UK / Australia)

The I 2000x550x20x50 steel profile weighs 730.0 kg/m (490.59 lb/ft), has a depth of 2000 mm (78.74 in), flange width 550 mm (21.65 in). Cross-sectional area: 93,000 mm². Moment of inertia Ix = 6,372,750 cm⁴, Iy = 138,772.5 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	2000 mm	78.74 in
Width (b)	550 mm	21.65 in
Web thickness (tw)	20 mm	0.79 in
Flange thickness (tf)	50 mm	1.97 in
Weight	730.0 kg/m	490.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	93,000 mm²	144.150 in²
Moment of inertia (Ix)	6,372,750 cm⁴	153105.32 in⁴
Moment of inertia (Iy)	138,772.5 cm⁴	3334.01 in⁴
Elastic section modulus (Sx)	63,727.5 cm³	3888.907 in³
Elastic section modulus (Sy)	5,046.27 cm³	307.944 in³
Plastic section modulus (Zx)	71,675 cm³	4373.895 in³
Plastic section modulus (Zy)	7,752.5 cm³	473.089 in³
Radius of gyration (rx)	82.78 cm	32.590 in
Radius of gyration (ry)	12.22 cm	4.809 in