I 550x150x5x10 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 550x150x5x10 (México) · Doble T I 550x150x5x10 (Argentina / LATAM) · UB 550 (UK / Australia)

The I 550x150x5x10 steel profile weighs 44.4 kg/m (29.80 lb/ft), has a depth of 550 mm (21.65 in), flange width 150 mm (5.91 in). Cross-sectional area: 5,650 mm². Moment of inertia Ix = 28,075.708 cm⁴, Iy = 563.052 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	550 mm	21.65 in
Width (b)	150 mm	5.91 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	10 mm	0.39 in
Weight	44.4 kg/m	29.80 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,650 mm²	8.758 in²
Moment of inertia (Ix)	28,075.71 cm⁴	674.52 in⁴
Moment of inertia (Iy)	563.05 cm⁴	13.53 in⁴
Elastic section modulus (Sx)	1,020.93 cm³	62.302 in³
Elastic section modulus (Sy)	75.07 cm³	4.581 in³
Plastic section modulus (Zx)	1,161.13 cm³	70.856 in³
Plastic section modulus (Zy)	115.81 cm³	7.067 in³
Radius of gyration (rx)	22.29 cm	8.776 in
Radius of gyration (ry)	3.16 cm	1.243 in