CS 450x209 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 450x209 (México) · Doble T CS 450x209 (Argentina / LATAM) · UB 450 (UK / Australia)

The CS 450x209 steel profile weighs 209.1 kg/m (140.53 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 26,643.2 mm². Moment of inertia Ix = 101,107.021 cm⁴, Iy = 34,033.831 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	450 mm	17.72 in
Web thickness (tw)	16 mm	0.63 in
Flange thickness (tf)	22.4 mm	0.88 in
Weight	209.1 kg/m	140.53 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	26,643.2 mm²	41.297 in²
Moment of inertia (Ix)	101,107.02 cm⁴	2429.10 in⁴
Moment of inertia (Iy)	34,033.83 cm⁴	817.66 in⁴
Elastic section modulus (Sx)	4,493.65 cm³	274.220 in³
Elastic section modulus (Sy)	1,512.61 cm³	92.306 in³
Plastic section modulus (Zx)	4,966.96 cm³	303.104 in³
Plastic section modulus (Zy)	2,293.93 cm³	139.985 in³
Radius of gyration (rx)	19.48 cm	7.669 in
Radius of gyration (ry)	11.3 cm	4.450 in