I 2000x550x20x35 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.

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Also known as: I 2000x550x20x35 (México) · Doble T I 2000x550x20x35 (Argentina / LATAM) · UB 2000 (UK / Australia)

The I 2000x550x20x35 steel profile weighs 605.2 kg/m (406.72 lb/ft), has a depth of 2000 mm (78.74 in), flange width 550 mm (21.65 in). Cross-sectional area: 77,100 mm². Moment of inertia Ix = 4,914,998.25 cm⁴, Iy = 97,180.75 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)	35 mm	1.38 in
Weight	605.2 kg/m	406.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	77,100 mm²	119.505 in²
Moment of inertia (Ix)	4,914,998.25 cm⁴	118082.83 in⁴
Moment of inertia (Iy)	97,180.75 cm⁴	2334.77 in⁴
Elastic section modulus (Sx)	49,149.98 cm³	2999.329 in³
Elastic section modulus (Sy)	3,533.85 cm³	215.649 in³
Plastic section modulus (Zx)	56,450.75 cm³	3444.851 in³
Plastic section modulus (Zy)	5,486.75 cm³	334.823 in³
Radius of gyration (rx)	79.84 cm	31.434 in
Radius of gyration (ry)	11.23 cm	4.420 in