I 500x250x8x18 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 500x250x8x18 (México) · Doble T I 500x250x8x18 (Argentina / LATAM) · UB 500 (UK / Australia)

The I 500x250x8x18 steel profile weighs 99.8 kg/m (67.05 lb/ft), has a depth of 500 mm (19.69 in), flange width 250 mm (9.84 in). Cross-sectional area: 12,712 mm². Moment of inertia Ix = 58,957.023 cm⁴, Iy = 4,689.48 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	500 mm	19.69 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	18 mm	0.71 in
Weight	99.8 kg/m	67.05 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,712 mm²	19.704 in²
Moment of inertia (Ix)	58,957.02 cm⁴	1416.44 in⁴
Moment of inertia (Iy)	4,689.48 cm⁴	112.66 in⁴
Elastic section modulus (Sx)	2,358.28 cm³	143.912 in³
Elastic section modulus (Sy)	375.16 cm³	22.894 in³
Plastic section modulus (Zx)	2,599.59 cm³	158.638 in³
Plastic section modulus (Zy)	569.92 cm³	34.779 in³
Radius of gyration (rx)	21.54 cm	8.479 in
Radius of gyration (ry)	6.07 cm	2.391 in