I 350x100x5x12 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 350x100x5x12 (México) · Doble T I 350x100x5x12 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x100x5x12 steel profile weighs 31.6 kg/m (21.26 lb/ft), has a depth of 350 mm (13.78 in), flange width 100 mm (3.94 in). Cross-sectional area: 4,030 mm². Moment of inertia Ix = 8,301.102 cm⁴, Iy = 200.34 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)	5 mm	0.20 in
Flange thickness (tf)	12 mm	0.47 in
Weight	31.6 kg/m	21.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,030 mm²	6.246 in²
Moment of inertia (Ix)	8,301.1 cm⁴	199.43 in⁴
Moment of inertia (Iy)	200.34 cm⁴	4.81 in⁴
Elastic section modulus (Sx)	474.35 cm³	28.947 in³
Elastic section modulus (Sy)	40.07 cm³	2.445 in³
Plastic section modulus (Zx)	538.45 cm³	32.858 in³
Plastic section modulus (Zy)	62.04 cm³	3.786 in³
Radius of gyration (rx)	14.35 cm	5.650 in
Radius of gyration (ry)	2.23 cm	0.878 in