CS 500x221 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 500x221 (México) · Doble T CS 500x221 (Argentina / LATAM) · UB 500 (UK / Australia)

The CS 500x221 steel profile weighs 220.5 kg/m (148.18 lb/ft), has a depth of 500 mm (19.69 in), flange width 500 mm (19.69 in). Cross-sectional area: 28,090 mm². Moment of inertia Ix = 137,655.715 cm⁴, Iy = 46,674.076 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)	12.5 mm	0.49 in
Flange thickness (tf)	22.4 mm	0.88 in
Weight	220.5 kg/m	148.18 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	28,090 mm²	43.539 in²
Moment of inertia (Ix)	137,655.71 cm⁴	3307.18 in⁴
Moment of inertia (Iy)	46,674.08 cm⁴	1121.34 in⁴
Elastic section modulus (Sx)	5,506.23 cm³	336.012 in³
Elastic section modulus (Sy)	1,866.96 cm³	113.930 in³
Plastic section modulus (Zx)	5,996.64 cm³	365.939 in³
Plastic section modulus (Zy)	2,817.78 cm³	171.952 in³
Radius of gyration (rx)	22.14 cm	8.715 in
Radius of gyration (ry)	12.89 cm	5.075 in