CVS 550x357 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: CVS 550x357 (México) · Doble T CVS 550x357 (Argentina / LATAM) · UB 550 (UK / Australia)

The CVS 550x357 steel profile weighs 357.6 kg/m (240.28 lb/ft), has a depth of 550 mm (21.65 in), flange width 400 mm (15.75 in). Cross-sectional area: 45,548.8 mm². Moment of inertia Ix = 244,286.984 cm⁴, Iy = 46,976.605 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	550 mm	21.65 in
Width (b)	400 mm	15.75 in
Web thickness (tw)	22.4 mm	0.88 in
Flange thickness (tf)	44 mm	1.73 in
Weight	357.6 kg/m	240.28 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	45,548.8 mm²	70.601 in²
Moment of inertia (Ix)	244,286.98 cm⁴	5868.99 in⁴
Moment of inertia (Iy)	46,976.61 cm⁴	1128.61 in⁴
Elastic section modulus (Sx)	8,883.16 cm³	542.086 in³
Elastic section modulus (Sy)	2,348.83 cm³	143.335 in³
Plastic section modulus (Zx)	10,100.89 cm³	616.396 in³
Plastic section modulus (Zy)	3,577.95 cm³	218.341 in³
Radius of gyration (rx)	23.16 cm	9.118 in
Radius of gyration (ry)	10.16 cm	3.998 in