I 500x350x8x20 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 500x350x8x20 (México) · Doble T I 500x350x8x20 (Argentina / LATAM) · UB 500 (UK / Australia)

The I 500x350x8x20 steel profile weighs 138.8 kg/m (93.27 lb/ft), has a depth of 500 mm (19.69 in), flange width 350 mm (13.78 in). Cross-sectional area: 17,680 mm². Moment of inertia Ix = 87,175.733 cm⁴, Iy = 14,293.629 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	500 mm	19.69 in
Width (b)	350 mm	13.78 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	20 mm	0.79 in
Weight	138.8 kg/m	93.27 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	17,680 mm²	27.404 in²
Moment of inertia (Ix)	87,175.73 cm⁴	2094.40 in⁴
Moment of inertia (Iy)	14,293.63 cm⁴	343.40 in⁴
Elastic section modulus (Sx)	3,487.03 cm³	212.792 in³
Elastic section modulus (Sy)	816.78 cm³	49.843 in³
Plastic section modulus (Zx)	3,783.2 cm³	230.866 in³
Plastic section modulus (Zy)	1,232.36 cm³	75.204 in³
Radius of gyration (rx)	22.21 cm	8.742 in
Radius of gyration (ry)	8.99 cm	3.540 in