I 350x350x12x22 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 350x350x12x22 (México) · Doble T I 350x350x12x22 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x350x12x22 steel profile weighs 149.7 kg/m (100.60 lb/ft), has a depth of 350 mm (13.78 in), flange width 350 mm (13.78 in). Cross-sectional area: 19,072 mm². Moment of inertia Ix = 44,347.215 cm⁴, Iy = 15,725.24 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	350 mm	13.78 in
Web thickness (tw)	12 mm	0.47 in
Flange thickness (tf)	22 mm	0.87 in
Weight	149.7 kg/m	100.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,072 mm²	29.562 in²
Moment of inertia (Ix)	44,347.21 cm⁴	1065.44 in⁴
Moment of inertia (Iy)	15,725.24 cm⁴	377.80 in⁴
Elastic section modulus (Sx)	2,534.13 cm³	154.643 in³
Elastic section modulus (Sy)	898.59 cm³	54.835 in³
Plastic section modulus (Zx)	2,806.51 cm³	171.264 in³
Plastic section modulus (Zy)	1,358.52 cm³	82.902 in³
Radius of gyration (rx)	15.25 cm	6.003 in
Radius of gyration (ry)	9.08 cm	3.575 in