I 400x400x12x14 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 400x400x12x14 (México) · Doble T I 400x400x12x14 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x400x12x14 steel profile weighs 122.9 kg/m (82.61 lb/ft), has a depth of 400 mm (15.75 in), flange width 400 mm (15.75 in). Cross-sectional area: 15,664 mm². Moment of inertia Ix = 46,885.058 cm⁴, Iy = 14,938.69 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	400 mm	15.75 in
Web thickness (tw)	12 mm	0.47 in
Flange thickness (tf)	14 mm	0.55 in
Weight	122.9 kg/m	82.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	15,664 mm²	24.279 in²
Moment of inertia (Ix)	46,885.06 cm⁴	1126.41 in⁴
Moment of inertia (Iy)	14,938.69 cm⁴	358.90 in⁴
Elastic section modulus (Sx)	2,344.25 cm³	143.056 in³
Elastic section modulus (Sy)	746.93 cm³	45.581 in³
Plastic section modulus (Zx)	2,576.75 cm³	157.244 in³
Plastic section modulus (Zy)	1,133.39 cm³	69.164 in³
Radius of gyration (rx)	17.3 cm	6.811 in
Radius of gyration (ry)	9.77 cm	3.845 in