CS 450x198 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 450x198 (México) · Doble T CS 450x198 (Argentina / LATAM) · UB 450 (UK / Australia)

The CS 450x198 steel profile weighs 198.0 kg/m (133.04 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 25,225 mm². Moment of inertia Ix = 99,166.604 cm⁴, Iy = 34,026.595 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)	22.4 mm	0.88 in
Weight	198.0 kg/m	133.04 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,225 mm²	39.099 in²
Moment of inertia (Ix)	99,166.6 cm⁴	2382.48 in⁴
Moment of inertia (Iy)	34,026.6 cm⁴	817.49 in⁴
Elastic section modulus (Sx)	4,407.4 cm³	268.957 in³
Elastic section modulus (Sy)	1,512.29 cm³	92.286 in³
Plastic section modulus (Zx)	4,823.29 cm³	294.337 in³
Plastic section modulus (Zy)	2,283.83 cm³	139.368 in³
Radius of gyration (rx)	19.83 cm	7.806 in
Radius of gyration (ry)	11.61 cm	4.573 in