CS 450x175 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 450x175 (México) · Doble T CS 450x175 (Argentina / LATAM) · UB 450 (UK / Australia)

The CS 450x175 steel profile weighs 174.7 kg/m (117.37 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 22,250 mm². Moment of inertia Ix = 86,749.117 cm⁴, Iy = 28,862.956 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)	19 mm	0.75 in
Weight	174.7 kg/m	117.37 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	22,250 mm²	34.487 in²
Moment of inertia (Ix)	86,749.12 cm⁴	2084.15 in⁴
Moment of inertia (Iy)	28,862.96 cm⁴	693.43 in⁴
Elastic section modulus (Sx)	3,855.52 cm³	235.279 in³
Elastic section modulus (Sy)	1,282.8 cm³	78.281 in³
Plastic section modulus (Zx)	4,215.5 cm³	257.247 in³
Plastic section modulus (Zy)	1,939.84 cm³	118.377 in³
Radius of gyration (rx)	19.75 cm	7.774 in
Radius of gyration (ry)	11.39 cm	4.484 in