VS 400x49 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 400x49 (México) · Doble T VS 400x49 (Argentina / LATAM) · UB 400 (UK / Australia)

The VS 400x49 steel profile weighs 48.7 kg/m (32.71 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,200.3 mm². Moment of inertia Ix = 17,393.015 cm⁴, Iy = 1,267.461 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	6.3 mm	0.25 in
Flange thickness (tf)	9.5 mm	0.37 in
Weight	48.7 kg/m	32.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,200.3 mm²	9.610 in²
Moment of inertia (Ix)	17,393.01 cm⁴	417.87 in⁴
Moment of inertia (Iy)	1,267.46 cm⁴	30.45 in⁴
Elastic section modulus (Sx)	869.65 cm³	53.070 in³
Elastic section modulus (Sy)	126.75 cm³	7.735 in³
Plastic section modulus (Zx)	970.58 cm³	59.229 in³
Plastic section modulus (Zy)	193.78 cm³	11.825 in³
Radius of gyration (rx)	16.75 cm	6.594 in
Radius of gyration (ry)	4.52 cm	1.780 in