CS 450x154 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 450x154 (México) · Doble T CS 450x154 (Argentina / LATAM) · UB 450 (UK / Australia)

The CS 450x154 steel profile weighs 154.1 kg/m (103.56 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 19,625 mm². Moment of inertia Ix = 75,446.654 cm⁴, Iy = 24,306.803 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)	12.5 mm	0.49 in
Flange thickness (tf)	16 mm	0.63 in
Weight	154.1 kg/m	103.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,625 mm²	30.419 in²
Moment of inertia (Ix)	75,446.65 cm⁴	1812.61 in⁴
Moment of inertia (Iy)	24,306.8 cm⁴	583.97 in⁴
Elastic section modulus (Sx)	3,353.18 cm³	204.625 in³
Elastic section modulus (Sy)	1,080.3 cm³	65.924 in³
Plastic section modulus (Zx)	3,670.81 cm³	224.008 in³
Plastic section modulus (Zy)	1,636.33 cm³	99.855 in³
Radius of gyration (rx)	19.61 cm	7.719 in
Radius of gyration (ry)	11.13 cm	4.382 in