I 400x250x6x16 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 400x250x6x16 (México) · Doble T I 400x250x6x16 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x250x6x16 steel profile weighs 80.2 kg/m (53.86 lb/ft), has a depth of 400 mm (15.75 in), flange width 250 mm (9.84 in). Cross-sectional area: 10,208 mm². Moment of inertia Ix = 32,000.068 cm⁴, Iy = 4,167.329 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	16 mm	0.63 in
Weight	80.2 kg/m	53.86 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,208 mm²	15.822 in²
Moment of inertia (Ix)	32,000.07 cm⁴	768.80 in⁴
Moment of inertia (Iy)	4,167.33 cm⁴	100.12 in⁴
Elastic section modulus (Sx)	1,600 cm³	97.639 in³
Elastic section modulus (Sy)	333.39 cm³	20.345 in³
Plastic section modulus (Zx)	1,739.14 cm³	106.129 in³
Plastic section modulus (Zy)	503.31 cm³	30.714 in³
Radius of gyration (rx)	17.71 cm	6.971 in
Radius of gyration (ry)	6.39 cm	2.515 in