CS 650x588 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 650x588 (México) · Doble T CS 650x588 (Argentina / LATAM) · UB 650 (UK / Australia)

The CS 650x588 steel profile weighs 588.0 kg/m (395.12 lb/ft), has a depth of 650 mm (25.59 in), flange width 650 mm (25.59 in). Cross-sectional area: 74,903 mm². Moment of inertia Ix = 572,665.193 cm⁴, Iy = 201,538.048 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	650 mm	25.59 in
Width (b)	650 mm	25.59 in
Web thickness (tw)	31.5 mm	1.24 in
Flange thickness (tf)	44 mm	1.73 in
Weight	588.0 kg/m	395.12 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	74,903 mm²	116.100 in²
Moment of inertia (Ix)	572,665.19 cm⁴	13758.28 in⁴
Moment of inertia (Iy)	201,538.05 cm⁴	4841.95 in⁴
Elastic section modulus (Sx)	17,620.47 cm³	1075.271 in³
Elastic section modulus (Sy)	6,201.17 cm³	378.420 in³
Plastic section modulus (Zx)	19,818.87 cm³	1209.427 in³
Plastic section modulus (Zy)	9,434.41 cm³	575.726 in³
Radius of gyration (rx)	27.65 cm	10.886 in
Radius of gyration (ry)	16.4 cm	6.458 in