I 400x200x6x8 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 400x200x6x8 (México) · Doble T I 400x200x6x8 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x200x6x8 steel profile weighs 43.2 kg/m (29.02 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 5,504 mm². Moment of inertia Ix = 15,125.982 cm⁴, Iy = 1,067.358 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	8 mm	0.31 in
Weight	43.2 kg/m	29.02 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,504 mm²	8.531 in²
Moment of inertia (Ix)	15,125.98 cm⁴	363.40 in⁴
Moment of inertia (Iy)	1,067.36 cm⁴	25.64 in⁴
Elastic section modulus (Sx)	756.3 cm³	46.152 in³
Elastic section modulus (Sy)	106.74 cm³	6.513 in³
Plastic section modulus (Zx)	848.38 cm³	51.772 in³
Plastic section modulus (Zy)	163.46 cm³	9.975 in³
Radius of gyration (rx)	16.58 cm	6.527 in
Radius of gyration (ry)	4.4 cm	1.734 in