I 550x200x5x10 Cintac · Weight & Dimensions

Cintac, 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 550x200x5x10 (México) · Doble T I 550x200x5x10 (Argentina / LATAM) · UB 550 (UK / Australia)

The I 550x200x5x10 steel profile weighs 52.2 kg/m (35.08 lb/ft), has a depth of 550 mm (21.65 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,650 mm². Moment of inertia Ix = 35,366.542 cm⁴, Iy = 1,333.885 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	550 mm	21.65 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	10 mm	0.39 in
Weight	52.2 kg/m	35.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,650 mm²	10.307 in²
Moment of inertia (Ix)	35,366.54 cm⁴	849.68 in⁴
Moment of inertia (Iy)	1,333.89 cm⁴	32.05 in⁴
Elastic section modulus (Sx)	1,286.06 cm³	78.480 in³
Elastic section modulus (Sy)	133.39 cm³	8.140 in³
Plastic section modulus (Zx)	1,431.13 cm³	87.333 in³
Plastic section modulus (Zy)	203.31 cm³	12.407 in³
Radius of gyration (rx)	23.06 cm	9.079 in
Radius of gyration (ry)	4.48 cm	1.763 in