I 1676x406.4x11.1x28.6 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 1676x406.4x11.1x28.6 (México) · Doble T I 1676x406.4x11.1x28.6 (Argentina / LATAM) · UB 1676 (UK / Australia)

The I 1676x406.4x11.1x28.6 steel profile weighs 323.6 kg/m (217.44 lb/ft), has a depth of 1676 mm (65.98 in), flange width 406.4 mm (16.00 in). Cross-sectional area: 41,214.76 mm². Moment of inertia Ix = 1,969,755.479 cm⁴, Iy = 32,012.99 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1676 mm	65.98 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	323.6 kg/m	217.44 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	41,214.76 mm²	63.883 in²
Moment of inertia (Ix)	1,969,755.48 cm⁴	47323.38 in⁴
Moment of inertia (Iy)	32,012.99 cm⁴	769.11 in⁴
Elastic section modulus (Sx)	23,505.44 cm³	1434.396 in³
Elastic section modulus (Sy)	1,575.44 cm³	96.140 in³
Plastic section modulus (Zx)	26,419.72 cm³	1612.237 in³
Plastic section modulus (Zy)	2,411.66 cm³	147.169 in³
Radius of gyration (rx)	69.13 cm	27.217 in
Radius of gyration (ry)	8.81 cm	3.470 in