I 350x204x9.5x15.5 IAS · Weight & Dimensions

IAS, 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.

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Also known as: I 350x204x9.5x15.5 (México) · Doble T I 350x204x9.5x15.5 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x204x9.5x15.5 steel profile weighs 73.4 kg/m (49.34 lb/ft), has a depth of 350 mm (13.78 in), flange width 204 mm (8.03 in). Cross-sectional area: 9,354.5 mm². Moment of inertia Ix = 20,272.399 cm⁴, Iy = 2,195.442 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	204 mm	8.03 in
Web thickness (tw)	9.5 mm	0.37 in
Flange thickness (tf)	15.5 mm	0.61 in
Weight	73.4 kg/m	49.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,354.5 mm²	14.499 in²
Moment of inertia (Ix)	20,272.4 cm⁴	487.04 in⁴
Moment of inertia (Iy)	2,195.44 cm⁴	52.75 in⁴
Elastic section modulus (Sx)	1,158.42 cm³	70.692 in³
Elastic section modulus (Sy)	215.24 cm³	13.135 in³
Plastic section modulus (Zx)	1,299.37 cm³	79.293 in³
Plastic section modulus (Zy)	329.72 cm³	20.121 in³
Radius of gyration (rx)	14.72 cm	5.796 in
Radius of gyration (ry)	4.84 cm	1.907 in