VS 1800x368 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 1800x368 (México) · Doble T VS 1800x368 (Argentina / LATAM) · UB 1800 (UK / Australia)

The VS 1800x368 steel profile weighs 368.0 kg/m (247.28 lb/ft), has a depth of 1800 mm (70.87 in), flange width 500 mm (19.69 in). Cross-sectional area: 46,875 mm². Moment of inertia Ix = 2,527,539.063 cm⁴, Iy = 52,111.816 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)	12.5 mm	0.49 in
Flange thickness (tf)	25 mm	0.98 in
Weight	368.0 kg/m	247.28 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	46,875 mm²	72.656 in²
Moment of inertia (Ix)	2,527,539.06 cm⁴	60724.13 in⁴
Moment of inertia (Iy)	52,111.82 cm⁴	1251.99 in⁴
Elastic section modulus (Sx)	28,083.77 cm³	1713.784 in³
Elastic section modulus (Sy)	2,084.47 cm³	127.203 in³
Plastic section modulus (Zx)	31,757.81 cm³	1937.989 in³
Plastic section modulus (Zy)	3,193.36 cm³	194.872 in³
Radius of gyration (rx)	73.43 cm	28.910 in
Radius of gyration (ry)	10.54 cm	4.151 in