I 260x260x9.5x15.5 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 260x260x9.5x15.5 (México) · Doble T I 260x260x9.5x15.5 (Argentina / LATAM) · UB 260 (UK / Australia)

The I 260x260x9.5x15.5 steel profile weighs 80.3 kg/m (54.00 lb/ft), has a depth of 260 mm (10.24 in), flange width 260 mm (10.24 in). Cross-sectional area: 10,235.5 mm². Moment of inertia Ix = 13,012.569 cm⁴, Iy = 4,542.103 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	260 mm	10.24 in
Width (b)	260 mm	10.24 in
Web thickness (tw)	9.5 mm	0.37 in
Flange thickness (tf)	15.5 mm	0.61 in
Weight	80.3 kg/m	54.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,235.5 mm²	15.865 in²
Moment of inertia (Ix)	13,012.57 cm⁴	312.63 in⁴
Moment of inertia (Iy)	4,542.1 cm⁴	109.12 in⁴
Elastic section modulus (Sx)	1,000.97 cm³	61.083 in³
Elastic section modulus (Sy)	349.39 cm³	21.321 in³
Plastic section modulus (Zx)	1,109.88 cm³	67.729 in³
Plastic section modulus (Zy)	529.07 cm³	32.286 in³
Radius of gyration (rx)	11.28 cm	4.439 in
Radius of gyration (ry)	6.66 cm	2.623 in