I 1905x406.4x11.1x28.6 AHMSA · Weight & Dimensions

AHMSA, 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 1905x406.4x11.1x28.6 (México) · Doble T I 1905x406.4x11.1x28.6 (Argentina / LATAM) · UB 1905 (UK / Australia)

The I 1905x406.4x11.1x28.6 steel profile weighs 343.5 kg/m (230.83 lb/ft), has a depth of 1905 mm (75.00 in), flange width 406.4 mm (16.00 in). Cross-sectional area: 43,756.66 mm². Moment of inertia Ix = 2,629,911.5 cm⁴, Iy = 32,015.6 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1905 mm	75.00 in
Width (b)	406.4 mm	16.00 in
Web thickness (tw)	11.1 mm	0.44 in
Flange thickness (tf)	28.6 mm	1.13 in
Weight	343.5 kg/m	230.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	43,756.66 mm²	67.823 in²
Moment of inertia (Ix)	2,629,911.5 cm⁴	63183.62 in⁴
Moment of inertia (Iy)	32,015.6 cm⁴	769.17 in⁴
Elastic section modulus (Sx)	27,610.62 cm³	1684.910 in³
Elastic section modulus (Sy)	1,575.57 cm³	96.148 in³
Plastic section modulus (Zx)	31,284.33 cm³	1909.095 in³
Plastic section modulus (Zy)	2,418.72 cm³	147.600 in³
Radius of gyration (rx)	77.53 cm	30.522 in
Radius of gyration (ry)	8.55 cm	3.368 in