I 1676x406.4x11.1x15.9 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 1676x406.4x11.1x15.9 (México) · Doble T I 1676x406.4x11.1x15.9 (Argentina / LATAM) · UB 1676 (UK / Australia)

The I 1676x406.4x11.1x15.9 steel profile weighs 244.8 kg/m (164.48 lb/ft), has a depth of 1676 mm (65.98 in), flange width 406.4 mm (16.00 in). Cross-sectional area: 31,174.14 mm². Moment of inertia Ix = 1,301,590.871 cm⁴, Iy = 17,805.914 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)	15.9 mm	0.63 in
Weight	244.8 kg/m	164.48 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	31,174.14 mm²	48.320 in²
Moment of inertia (Ix)	1,301,590.87 cm⁴	31270.72 in⁴
Moment of inertia (Iy)	17,805.91 cm⁴	427.79 in⁴
Elastic section modulus (Sx)	15,532.11 cm³	947.832 in³
Elastic section modulus (Sy)	876.28 cm³	53.474 in³
Plastic section modulus (Zx)	18,229.09 cm³	1112.412 in³
Plastic section modulus (Zy)	1,363.68 cm³	83.217 in³
Radius of gyration (rx)	64.62 cm	25.439 in
Radius of gyration (ry)	7.56 cm	2.975 in