I 400x400x22.2x44.5 IAS · Weight & Dimensions

IAS, 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.

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Also known as: I 400x400x22.2x44.5 (México) · Doble T I 400x400x22.2x44.5 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x400x22.2x44.5 steel profile weighs 333.7 kg/m (224.22 lb/ft), has a depth of 400 mm (15.75 in), flange width 400 mm (15.75 in). Cross-sectional area: 42,504.2 mm². Moment of inertia Ix = 118,630.739 cm⁴, Iy = 47,495.022 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)	22.2 mm	0.87 in
Flange thickness (tf)	44.5 mm	1.75 in
Weight	333.7 kg/m	224.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	42,504.2 mm²	65.882 in²
Moment of inertia (Ix)	118,630.74 cm⁴	2850.10 in⁴
Moment of inertia (Iy)	47,495.02 cm⁴	1141.07 in⁴
Elastic section modulus (Sx)	5,931.54 cm³	361.966 in³
Elastic section modulus (Sy)	2,374.75 cm³	144.917 in³
Plastic section modulus (Zx)	6,864.7 cm³	418.912 in³
Plastic section modulus (Zy)	3,598.32 cm³	219.584 in³
Radius of gyration (rx)	16.71 cm	6.577 in
Radius of gyration (ry)	10.57 cm	4.162 in