I 350x100x4x8 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 350x100x4x8 (México) · Doble T I 350x100x4x8 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x100x4x8 steel profile weighs 23.1 kg/m (15.51 lb/ft), has a depth of 350 mm (13.78 in), flange width 100 mm (3.94 in). Cross-sectional area: 2,936 mm². Moment of inertia Ix = 5,921.403 cm⁴, Iy = 133.511 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	100 mm	3.94 in
Web thickness (tw)	4 mm	0.16 in
Flange thickness (tf)	8 mm	0.31 in
Weight	23.1 kg/m	15.51 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,936 mm²	4.551 in²
Moment of inertia (Ix)	5,921.4 cm⁴	142.26 in⁴
Moment of inertia (Iy)	133.51 cm⁴	3.21 in⁴
Elastic section modulus (Sx)	338.37 cm³	20.648 in³
Elastic section modulus (Sy)	26.7 cm³	1.629 in³
Plastic section modulus (Zx)	385.16 cm³	23.504 in³
Plastic section modulus (Zy)	41.34 cm³	2.522 in³
Radius of gyration (rx)	14.2 cm	5.591 in
Radius of gyration (ry)	2.13 cm	0.840 in