CS 250x90 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: CS 250x90 (México) · Doble T CS 250x90 (Argentina / LATAM) · UB 250 (UK / Australia)

The CS 250x90 steel profile weighs 90.3 kg/m (60.72 lb/ft), has a depth of 250 mm (9.84 in), flange width 250 mm (9.84 in). Cross-sectional area: 11,514 mm². Moment of inertia Ix = 13,456.127 cm⁴, Iy = 4,949.431 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	250 mm	9.84 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	9.5 mm	0.37 in
Flange thickness (tf)	19 mm	0.75 in
Weight	90.3 kg/m	60.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,514 mm²	17.847 in²
Moment of inertia (Ix)	13,456.13 cm⁴	323.28 in⁴
Moment of inertia (Iy)	4,949.43 cm⁴	118.91 in⁴
Elastic section modulus (Sx)	1,076.49 cm³	65.692 in³
Elastic section modulus (Sy)	395.95 cm³	24.163 in³
Plastic section modulus (Zx)	1,203.99 cm³	73.472 in³
Plastic section modulus (Zy)	598.53 cm³	36.525 in³
Radius of gyration (rx)	10.81 cm	4.256 in
Radius of gyration (ry)	6.56 cm	2.581 in