I 350x250x6x20 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 350x250x6x20 (México) · Doble T I 350x250x6x20 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x250x6x20 steel profile weighs 93.1 kg/m (62.56 lb/ft), has a depth of 350 mm (13.78 in), flange width 250 mm (9.84 in). Cross-sectional area: 11,860 mm². Moment of inertia Ix = 28,747.883 cm⁴, Iy = 5,208.891 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	20 mm	0.79 in
Weight	93.1 kg/m	62.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,860 mm²	18.383 in²
Moment of inertia (Ix)	28,747.88 cm⁴	690.67 in⁴
Moment of inertia (Iy)	5,208.89 cm⁴	125.14 in⁴
Elastic section modulus (Sx)	1,642.74 cm³	100.246 in³
Elastic section modulus (Sy)	416.71 cm³	25.429 in³
Plastic section modulus (Zx)	1,794.15 cm³	109.486 in³
Plastic section modulus (Zy)	627.79 cm³	38.310 in³
Radius of gyration (rx)	15.57 cm	6.130 in
Radius of gyration (ry)	6.63 cm	2.609 in