VS 1800x511 Usiminas · Weight & Dimensions

Usiminas, 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: VS 1800x511 (México) · Doble T VS 1800x511 (Argentina / LATAM) · UB 1800 (UK / Australia)

The VS 1800x511 steel profile weighs 511.0 kg/m (343.42 lb/ft), has a depth of 1800 mm (70.87 in), flange width 500 mm (19.69 in). Cross-sectional area: 65,100 mm². Moment of inertia Ix = 3,597,089.063 cm⁴, Iy = 78,183.88 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1800 mm	70.87 in
Width (b)	500 mm	19.69 in
Web thickness (tw)	16 mm	0.63 in
Flange thickness (tf)	37.5 mm	1.48 in
Weight	511.0 kg/m	343.42 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	65,100 mm²	100.905 in²
Moment of inertia (Ix)	3,597,089.06 cm⁴	86420.06 in⁴
Moment of inertia (Iy)	78,183.88 cm⁴	1878.37 in⁴
Elastic section modulus (Sx)	39,967.66 cm³	2438.986 in³
Elastic section modulus (Sy)	3,127.36 cm³	190.844 in³
Plastic section modulus (Zx)	44,949.38 cm³	2742.991 in³
Plastic section modulus (Zy)	4,797.9 cm³	292.787 in³
Radius of gyration (rx)	74.33 cm	29.265 in
Radius of gyration (ry)	10.96 cm	4.315 in