I 400x150x6x12 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 400x150x6x12 (México) · Doble T I 400x150x6x12 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x150x6x12 steel profile weighs 46.0 kg/m (30.91 lb/ft), has a depth of 400 mm (15.75 in), flange width 150 mm (5.91 in). Cross-sectional area: 5,856 mm². Moment of inertia Ix = 16,211.149 cm⁴, Iy = 675.677 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)	6 mm	0.24 in
Flange thickness (tf)	12 mm	0.47 in
Weight	46.0 kg/m	30.91 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,856 mm²	9.077 in²
Moment of inertia (Ix)	16,211.15 cm⁴	389.47 in⁴
Moment of inertia (Iy)	675.68 cm⁴	16.23 in⁴
Elastic section modulus (Sx)	810.56 cm³	49.463 in³
Elastic section modulus (Sy)	90.09 cm³	5.498 in³
Plastic section modulus (Zx)	910.46 cm³	55.560 in³
Plastic section modulus (Zy)	138.38 cm³	8.445 in³
Radius of gyration (rx)	16.64 cm	6.550 in
Radius of gyration (ry)	3.4 cm	1.337 in