I 350x170x6.3x9.5 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 350x170x6.3x9.5 (México) · Doble T I 350x170x6.3x9.5 (Argentina / LATAM) · UB 350 (UK / Australia)

The I 350x170x6.3x9.5 steel profile weighs 41.7 kg/m (28.04 lb/ft), has a depth of 350 mm (13.78 in), flange width 170 mm (6.69 in). Cross-sectional area: 5,315.3 mm². Moment of inertia Ix = 11,268.501 cm⁴, Iy = 778.581 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	170 mm	6.69 in
Web thickness (tw)	6.3 mm	0.25 in
Flange thickness (tf)	9.5 mm	0.37 in
Weight	41.7 kg/m	28.04 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,315.3 mm²	8.239 in²
Moment of inertia (Ix)	11,268.5 cm⁴	270.73 in⁴
Moment of inertia (Iy)	778.58 cm⁴	18.71 in⁴
Elastic section modulus (Sx)	643.91 cm³	39.294 in³
Elastic section modulus (Sy)	91.6 cm³	5.590 in³
Plastic section modulus (Zx)	722.47 cm³	44.088 in³
Plastic section modulus (Zy)	140.56 cm³	8.577 in³
Radius of gyration (rx)	14.56 cm	5.732 in
Radius of gyration (ry)	3.83 cm	1.507 in