VS 1800x348 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 1800x348 (México) · Doble T VS 1800x348 (Argentina / LATAM) · UB 1800 (UK / Australia)

The VS 1800x348 steel profile weighs 348.1 kg/m (233.90 lb/ft), has a depth of 1800 mm (70.87 in), flange width 500 mm (19.69 in). Cross-sectional area: 44,340 mm². Moment of inertia Ix = 2,332,875.841 cm⁴, Iy = 46,695.234 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)	22.4 mm	0.88 in
Weight	348.1 kg/m	233.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	44,340 mm²	68.727 in²
Moment of inertia (Ix)	2,332,875.84 cm⁴	56047.34 in⁴
Moment of inertia (Iy)	46,695.23 cm⁴	1121.85 in⁴
Elastic section modulus (Sx)	25,920.84 cm³	1581.794 in³
Elastic section modulus (Sy)	1,867.81 cm³	113.981 in³
Plastic section modulus (Zx)	29,536.39 cm³	1802.429 in³
Plastic section modulus (Zy)	2,868.56 cm³	175.051 in³
Radius of gyration (rx)	72.54 cm	28.557 in
Radius of gyration (ry)	10.26 cm	4.040 in