I 550x200x6x16 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 550x200x6x16 (México) · Doble T I 550x200x6x16 (Argentina / LATAM) · UB 550 (UK / Australia)

The I 550x200x6x16 steel profile weighs 74.7 kg/m (50.16 lb/ft), has a depth of 550 mm (21.65 in), flange width 200 mm (7.87 in). Cross-sectional area: 9,508 mm². Moment of inertia Ix = 52,588.205 cm⁴, Iy = 2,134.266 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)	6 mm	0.24 in
Flange thickness (tf)	16 mm	0.63 in
Weight	74.7 kg/m	50.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,508 mm²	14.737 in²
Moment of inertia (Ix)	52,588.2 cm⁴	1263.43 in⁴
Moment of inertia (Iy)	2,134.27 cm⁴	51.28 in⁴
Elastic section modulus (Sx)	1,912.3 cm³	116.696 in³
Elastic section modulus (Sy)	213.43 cm³	13.024 in³
Plastic section modulus (Zx)	2,111.29 cm³	128.839 in³
Plastic section modulus (Zy)	324.66 cm³	19.812 in³
Radius of gyration (rx)	23.52 cm	9.259 in
Radius of gyration (ry)	4.74 cm	1.865 in