I 400x150x5x10 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 400x150x5x10 (México) · Doble T I 400x150x5x10 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x150x5x10 steel profile weighs 38.5 kg/m (25.85 lb/ft), has a depth of 400 mm (15.75 in), flange width 150 mm (5.91 in). Cross-sectional area: 4,900 mm². Moment of inertia Ix = 13,696.333 cm⁴, Iy = 562.896 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 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	38.5 kg/m	25.85 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,900 mm²	7.595 in²
Moment of inertia (Ix)	13,696.33 cm⁴	329.05 in⁴
Moment of inertia (Iy)	562.9 cm⁴	13.52 in⁴
Elastic section modulus (Sx)	684.82 cm³	41.790 in³
Elastic section modulus (Sy)	75.05 cm³	4.580 in³
Plastic section modulus (Zx)	765.5 cm³	46.714 in³
Plastic section modulus (Zy)	114.88 cm³	7.010 in³
Radius of gyration (rx)	16.72 cm	6.582 in
Radius of gyration (ry)	3.39 cm	1.334 in