CS 550x502 Tecnometal · Weight & Dimensions

Tecnometal, welded sections (Brazil) · 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: CS 550x502 (México) · Doble T CS 550x502 (Argentina / LATAM) · UB 550 (UK / Australia)

The CS 550x502 steel profile weighs 502.3 kg/m (337.56 lb/ft), has a depth of 550 mm (21.65 in), flange width 550 mm (21.65 in). Cross-sectional area: 63,990 mm². Moment of inertia Ix = 341,979.45 cm⁴, Iy = 124,901.064 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	550 mm	21.65 in
Width (b)	550 mm	21.65 in
Web thickness (tw)	31.5 mm	1.24 in
Flange thickness (tf)	45 mm	1.77 in
Weight	502.3 kg/m	337.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	63,990 mm²	99.184 in²
Moment of inertia (Ix)	341,979.45 cm⁴	8216.06 in⁴
Moment of inertia (Iy)	124,901.06 cm⁴	3000.75 in⁴
Elastic section modulus (Sx)	12,435.62 cm³	758.871 in³
Elastic section modulus (Sy)	4,541.86 cm³	277.162 in³
Plastic section modulus (Zx)	14,165.1 cm³	864.411 in³
Plastic section modulus (Zy)	6,920.36 cm³	422.308 in³
Radius of gyration (rx)	23.12 cm	9.101 in
Radius of gyration (ry)	13.97 cm	5.500 in