I 1905x406.4x11.1x41.3 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 1905x406.4x11.1x41.3 (México) · Doble T I 1905x406.4x11.1x41.3 (Argentina / LATAM) · UB 1905 (UK / Australia)

The I 1905x406.4x11.1x41.3 steel profile weighs 422.3 kg/m (283.79 lb/ft), has a depth of 1905 mm (75.00 in), flange width 406.4 mm (16.00 in). Cross-sectional area: 53,797.28 mm². Moment of inertia Ix = 3,475,242.788 cm⁴, Iy = 46,222.676 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)	41.3 mm	1.63 in
Weight	422.3 kg/m	283.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	53,797.28 mm²	83.386 in²
Moment of inertia (Ix)	3,475,242.79 cm⁴	83492.71 in⁴
Moment of inertia (Iy)	46,222.68 cm⁴	1110.50 in⁴
Elastic section modulus (Sx)	36,485.49 cm³	2226.490 in³
Elastic section modulus (Sy)	2,274.74 cm³	138.814 in³
Plastic section modulus (Zx)	40,497.11 cm³	2471.295 in³
Plastic section modulus (Zy)	3,466.71 cm³	211.552 in³
Radius of gyration (rx)	80.37 cm	31.643 in
Radius of gyration (ry)	9.27 cm	3.649 in