I 416x366x12.5x25 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.

Also known as: I 416x366x12.5x25 (México) · Doble T I 416x366x12.5x25 (Argentina / LATAM) · UB 416 (UK / Australia)

The I 416x366x12.5x25 steel profile weighs 179.6 kg/m (120.67 lb/ft), has a depth of 416 mm (16.38 in), flange width 366 mm (14.41 in). Cross-sectional area: 22,875 mm². Moment of inertia Ix = 75,145.443 cm⁴, Iy = 20,434.247 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	416 mm	16.38 in
Width (b)	366 mm	14.41 in
Web thickness (tw)	12.5 mm	0.49 in
Flange thickness (tf)	25 mm	0.98 in
Weight	179.6 kg/m	120.67 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	22,875 mm²	35.456 in²
Moment of inertia (Ix)	75,145.44 cm⁴	1805.37 in⁴
Moment of inertia (Iy)	20,434.25 cm⁴	490.93 in⁴
Elastic section modulus (Sx)	3,612.76 cm³	220.465 in³
Elastic section modulus (Sy)	1,116.63 cm³	68.141 in³
Plastic section modulus (Zx)	3,996.26 cm³	243.868 in³
Plastic section modulus (Zy)	1,688.75 cm³	103.054 in³
Radius of gyration (rx)	18.12 cm	7.136 in
Radius of gyration (ry)	9.45 cm	3.721 in