CS 650x525 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 650x525 (México) · Doble T CS 650x525 (Argentina / LATAM) · UB 650 (UK / Australia)

The CS 650x525 steel profile weighs 524.9 kg/m (352.70 lb/ft), has a depth of 650 mm (25.59 in), flange width 650 mm (25.59 in). Cross-sectional area: 66,862.5 mm². Moment of inertia Ix = 507,696.68 cm⁴, Iy = 171,790.393 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)	37.5 mm	1.48 in
Weight	524.9 kg/m	352.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	66,862.5 mm²	103.637 in²
Moment of inertia (Ix)	507,696.68 cm⁴	12197.41 in⁴
Moment of inertia (Iy)	171,790.39 cm⁴	4127.26 in⁴
Elastic section modulus (Sx)	15,621.44 cm³	953.283 in³
Elastic section modulus (Sy)	5,285.86 cm³	322.564 in³
Plastic section modulus (Zx)	17,533.36 cm³	1069.956 in³
Plastic section modulus (Zy)	8,064.51 cm³	492.129 in³
Radius of gyration (rx)	27.56 cm	10.849 in
Radius of gyration (ry)	16.03 cm	6.311 in