I 350x350x12x25 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 350x350x12x25 (México) · Doble T I 350x350x12x25 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x350x12x25 steel profile weighs 165.6 kg/m (111.31 lb/ft), has a depth of 350 mm (13.78 in), flange width 350 mm (13.78 in). Cross-sectional area: 21,100 mm². Moment of inertia Ix = 49,002.083 cm⁴, Iy = 17,868.903 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)	25 mm	0.98 in
Weight	165.6 kg/m	111.31 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,100 mm²	32.705 in²
Moment of inertia (Ix)	49,002.08 cm⁴	1177.28 in⁴
Moment of inertia (Iy)	17,868.9 cm⁴	429.30 in⁴
Elastic section modulus (Sx)	2,800.12 cm³	170.874 in³
Elastic section modulus (Sy)	1,021.08 cm³	62.310 in³
Plastic section modulus (Zx)	3,113.75 cm³	190.013 in³
Plastic section modulus (Zy)	1,542.05 cm³	94.102 in³
Radius of gyration (rx)	15.24 cm	6.000 in
Radius of gyration (ry)	9.2 cm	3.623 in