I 350x200x4x8 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 350x200x4x8 (México) · Doble T I 350x200x4x8 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x200x4x8 steel profile weighs 35.6 kg/m (23.95 lb/ft), has a depth of 350 mm (13.78 in), flange width 200 mm (7.87 in). Cross-sectional area: 4,536 mm². Moment of inertia Ix = 10,600.817 cm⁴, Iy = 1,066.845 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	4 mm	0.16 in
Flange thickness (tf)	8 mm	0.31 in
Weight	35.6 kg/m	23.95 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,536 mm²	7.031 in²
Moment of inertia (Ix)	10,600.82 cm⁴	254.68 in⁴
Moment of inertia (Iy)	1,066.84 cm⁴	25.63 in⁴
Elastic section modulus (Sx)	605.76 cm³	36.966 in³
Elastic section modulus (Sy)	106.68 cm³	6.510 in³
Plastic section modulus (Zx)	658.76 cm³	40.200 in³
Plastic section modulus (Zy)	161.34 cm³	9.845 in³
Radius of gyration (rx)	15.29 cm	6.019 in
Radius of gyration (ry)	4.85 cm	1.909 in