I 500x200x8x18 Cintac · Weight & Dimensions

Cintac, 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: I 500x200x8x18 (México) · Doble T I 500x200x8x18 (Argentina / LATAM) · UB 500 (UK / Australia)

The I 500x200x8x18 steel profile weighs 85.6 kg/m (57.55 lb/ft), has a depth of 500 mm (19.69 in), flange width 200 mm (7.87 in). Cross-sectional area: 10,912 mm². Moment of inertia Ix = 48,497.583 cm⁴, Iy = 2,401.98 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	500 mm	19.69 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	18 mm	0.71 in
Weight	85.6 kg/m	57.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,912 mm²	16.914 in²
Moment of inertia (Ix)	48,497.58 cm⁴	1165.15 in⁴
Moment of inertia (Iy)	2,401.98 cm⁴	57.71 in⁴
Elastic section modulus (Sx)	1,939.9 cm³	118.381 in³
Elastic section modulus (Sy)	240.2 cm³	14.658 in³
Plastic section modulus (Zx)	2,165.79 cm³	132.165 in³
Plastic section modulus (Zy)	367.42 cm³	22.422 in³
Radius of gyration (rx)	21.08 cm	8.300 in
Radius of gyration (ry)	4.69 cm	1.847 in