I 307x205x9.5x15.5 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 307x205x9.5x15.5 (México) · Doble T I 307x205x9.5x15.5 (Argentina / LATAM) · UB 307 (UK / Australia)

The I 307x205x9.5x15.5 steel profile weighs 70.5 kg/m (47.36 lb/ft), has a depth of 307 mm (12.09 in), flange width 205 mm (8.07 in). Cross-sectional area: 8,977 mm². Moment of inertia Ix = 15,177.135 cm⁴, Iy = 2,227.546 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	307 mm	12.09 in
Width (b)	205 mm	8.07 in
Web thickness (tw)	9.5 mm	0.37 in
Flange thickness (tf)	15.5 mm	0.61 in
Weight	70.5 kg/m	47.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,977 mm²	13.914 in²
Moment of inertia (Ix)	15,177.14 cm⁴	364.63 in⁴
Moment of inertia (Iy)	2,227.55 cm⁴	53.52 in⁴
Elastic section modulus (Sx)	988.74 cm³	60.337 in³
Elastic section modulus (Sy)	217.32 cm³	13.262 in³
Plastic section modulus (Zx)	1,107.16 cm³	67.563 in³
Plastic section modulus (Zy)	331.92 cm³	20.255 in³
Radius of gyration (rx)	13 cm	5.119 in
Radius of gyration (ry)	4.98 cm	1.961 in