CS 250x66 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 250x66 (México) · Doble T CS 250x66 (Argentina / LATAM) · UB 250 (UK / Australia)

The CS 250x66 steel profile weighs 65.9 kg/m (44.26 lb/ft), has a depth of 250 mm (9.84 in), flange width 250 mm (9.84 in). Cross-sectional area: 8,387.5 mm². Moment of inertia Ix = 9,723.372 cm⁴, Iy = 3,256.816 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)	12.5 mm	0.49 in
Weight	65.9 kg/m	44.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,387.5 mm²	13.001 in²
Moment of inertia (Ix)	9,723.37 cm⁴	233.60 in⁴
Moment of inertia (Iy)	3,256.82 cm⁴	78.25 in⁴
Elastic section modulus (Sx)	777.87 cm³	47.469 in³
Elastic section modulus (Sy)	260.55 cm³	15.900 in³
Plastic section modulus (Zx)	862.42 cm³	52.628 in³
Plastic section modulus (Zy)	395.7 cm³	24.147 in³
Radius of gyration (rx)	10.77 cm	4.239 in
Radius of gyration (ry)	6.23 cm	2.453 in