CS 500x378 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 500x378 (México) · Doble T CS 500x378 (Argentina / LATAM) · UB 500 (UK / Australia)

The CS 500x378 steel profile weighs 377.8 kg/m (253.90 lb/ft), has a depth of 500 mm (19.69 in), flange width 500 mm (19.69 in). Cross-sectional area: 48,125 mm². Moment of inertia Ix = 216,969.401 cm⁴, Iy = 78,180.339 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	500 mm	19.69 in
Width (b)	500 mm	19.69 in
Web thickness (tw)	25 mm	0.98 in
Flange thickness (tf)	37.5 mm	1.48 in
Weight	377.8 kg/m	253.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	48,125 mm²	74.594 in²
Moment of inertia (Ix)	216,969.4 cm⁴	5212.69 in⁴
Moment of inertia (Iy)	78,180.34 cm⁴	1878.28 in⁴
Elastic section modulus (Sx)	8,678.78 cm³	529.614 in³
Elastic section modulus (Sy)	3,127.21 cm³	190.835 in³
Plastic section modulus (Zx)	9,800.78 cm³	598.083 in³
Plastic section modulus (Zy)	4,753.91 cm³	290.102 in³
Radius of gyration (rx)	21.23 cm	8.359 in
Radius of gyration (ry)	12.75 cm	5.018 in