CS 650x437 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 650x437 (México) · Doble T CS 650x437 (Argentina / LATAM) · UB 650 (UK / Australia)

The CS 650x437 steel profile weighs 436.7 kg/m (293.46 lb/ft), has a depth of 650 mm (25.59 in), flange width 650 mm (25.59 in). Cross-sectional area: 55,625 mm². Moment of inertia Ix = 434,104.151 cm⁴, Iy = 144,254.557 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)	25 mm	0.98 in
Flange thickness (tf)	31.5 mm	1.24 in
Weight	436.7 kg/m	293.46 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	55,625 mm²	86.219 in²
Moment of inertia (Ix)	434,104.15 cm⁴	10429.35 in⁴
Moment of inertia (Iy)	144,254.56 cm⁴	3465.72 in⁴
Elastic section modulus (Sx)	13,357.05 cm³	815.101 in³
Elastic section modulus (Sy)	4,438.6 cm³	270.861 in³
Plastic section modulus (Zx)	14,817.34 cm³	904.214 in³
Plastic section modulus (Zy)	6,746.09 cm³	411.674 in³
Radius of gyration (rx)	27.94 cm	10.998 in
Radius of gyration (ry)	16.1 cm	6.340 in