I 180x180x8x12.5 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 180x180x8x12.5 (México) · Doble T I 180x180x8x12.5 (Argentina / LATAM) · UB 180 (UK / Australia)

The I 180x180x8x12.5 steel profile weighs 45.1 kg/m (30.28 lb/ft), has a depth of 180 mm (7.09 in), flange width 180 mm (7.09 in). Cross-sectional area: 5,740 mm². Moment of inertia Ix = 3,410.446 cm⁴, Iy = 1,215.661 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	180 mm	7.09 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	12.5 mm	0.49 in
Weight	45.1 kg/m	30.28 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,740 mm²	8.897 in²
Moment of inertia (Ix)	3,410.45 cm⁴	81.94 in⁴
Moment of inertia (Iy)	1,215.66 cm⁴	29.21 in⁴
Elastic section modulus (Sx)	378.94 cm³	23.124 in³
Elastic section modulus (Sy)	135.07 cm³	8.243 in³
Plastic section modulus (Zx)	424.93 cm³	25.931 in³
Plastic section modulus (Zy)	204.98 cm³	12.509 in³
Radius of gyration (rx)	7.71 cm	3.035 in
Radius of gyration (ry)	4.6 cm	1.812 in