I 1676x508x12.7x28.6 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 1676x508x12.7x28.6 (México) · Doble T I 1676x508x12.7x28.6 (Argentina / LATAM) · UB 1676 (UK / Australia)

The I 1676x508x12.7x28.6 steel profile weighs 389.5 kg/m (261.76 lb/ft), has a depth of 1676 mm (65.98 in), flange width 508 mm (20.00 in). Cross-sectional area: 49,616.36 mm². Moment of inertia Ix = 2,420,657.246 cm⁴, Iy = 62,516.97 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1676 mm	65.98 in
Width (b)	508 mm	20.00 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	28.6 mm	1.13 in
Weight	389.5 kg/m	261.76 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	49,616.36 mm²	76.905 in²
Moment of inertia (Ix)	2,420,657.25 cm⁴	58156.29 in⁴
Moment of inertia (Iy)	62,516.97 cm⁴	1501.97 in⁴
Elastic section modulus (Sx)	28,886.12 cm³	1762.747 in³
Elastic section modulus (Sy)	2,461.3 cm³	150.198 in³
Plastic section modulus (Zx)	32,254.88 cm³	1968.322 in³
Plastic section modulus (Zy)	3,755.59 cm³	229.181 in³
Radius of gyration (rx)	69.85 cm	27.499 in
Radius of gyration (ry)	11.23 cm	4.419 in