CS 400x248 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 400x248 (México) · Doble T CS 400x248 (Argentina / LATAM) · UB 400 (UK / Australia)

The CS 400x248 steel profile weighs 248.1 kg/m (166.70 lb/ft), has a depth of 400 mm (15.75 in), flange width 400 mm (15.75 in). Cross-sectional area: 31,603 mm². Moment of inertia Ix = 91,817.343 cm⁴, Iy = 33,619.262 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	400 mm	15.75 in
Web thickness (tw)	19 mm	0.75 in
Flange thickness (tf)	31.5 mm	1.24 in
Weight	248.1 kg/m	166.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	31,603 mm²	48.985 in²
Moment of inertia (Ix)	91,817.34 cm⁴	2205.91 in⁴
Moment of inertia (Iy)	33,619.26 cm⁴	807.70 in⁴
Elastic section modulus (Sx)	4,590.87 cm³	280.153 in³
Elastic section modulus (Sy)	1,680.96 cm³	102.579 in³
Plastic section modulus (Zx)	5,182.55 cm³	316.260 in³
Plastic section modulus (Zy)	2,550.41 cm³	155.636 in³
Radius of gyration (rx)	17.05 cm	6.711 in
Radius of gyration (ry)	10.31 cm	4.061 in