CS 450x186 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 450x186 (México) · Doble T CS 450x186 (Argentina / LATAM) · UB 450 (UK / Australia)

The CS 450x186 steel profile weighs 186.0 kg/m (124.97 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 23,692 mm². Moment of inertia Ix = 88,788.874 cm⁴, Iy = 28,870.313 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)	19 mm	0.75 in
Weight	186.0 kg/m	124.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	23,692 mm²	36.723 in²
Moment of inertia (Ix)	88,788.87 cm⁴	2133.15 in⁴
Moment of inertia (Iy)	28,870.31 cm⁴	693.61 in⁴
Elastic section modulus (Sx)	3,946.17 cm³	240.811 in³
Elastic section modulus (Sy)	1,283.13 cm³	78.301 in³
Plastic section modulus (Zx)	4,364.03 cm³	266.310 in³
Plastic section modulus (Zy)	1,950.12 cm³	119.004 in³
Radius of gyration (rx)	19.36 cm	7.622 in
Radius of gyration (ry)	11.04 cm	4.346 in