VS 250x21 · Weight & Dimensions

BR — 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 250x21 (México) · Doble T VS 250x21 (Argentina / LATAM) · UB 250 (UK / Australia)

The VS 250x21 steel profile weighs 20.7 kg/m (13.91 lb/ft), has a depth of 250 mm (9.84 in), flange width 120 mm (4.72 in). Cross-sectional area: 2,639.7 mm². Moment of inertia Ix = 2,775.04 cm⁴, Iy = 181.65 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	250 mm	9.84 in
Width (b)	120 mm	4.72 in
Web thickness (tw)	4.8 mm	0.19 in
Flange thickness (tf)	6.3 mm	0.25 in
Weight	20.7 kg/m	13.91 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,639.7 mm²	4.092 in²
Moment of inertia (Ix)	2,775.04 cm⁴	66.67 in⁴
Moment of inertia (Iy)	181.65 cm⁴	4.36 in⁴
Elastic section modulus (Sx)	222 cm³	13.547 in³
Elastic section modulus (Sy)	30.28 cm³	1.848 in³
Plastic section modulus (Zx)	251.16 cm³	15.327 in³
Plastic section modulus (Zy)	46.7 cm³	2.850 in³
Radius of gyration (rx)	10.25 cm	4.035 in
Radius of gyration (ry)	2.62 cm	1.031 in