I 410x180x8x12.5 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 410x180x8x12.5 (México) · Doble T I 410x180x8x12.5 (Argentina / LATAM) · UB 410 (UK / Australia)

The I 410x180x8x12.5 steel profile weighs 59.5 kg/m (39.98 lb/ft), has a depth of 410 mm (16.14 in), flange width 180 mm (7.09 in). Cross-sectional area: 7,580 mm². Moment of inertia Ix = 21,586.004 cm⁴, Iy = 1,216.643 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	410 mm	16.14 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	59.5 kg/m	39.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,580 mm²	11.749 in²
Moment of inertia (Ix)	21,586 cm⁴	518.60 in⁴
Moment of inertia (Iy)	1,216.64 cm⁴	29.23 in⁴
Elastic section modulus (Sx)	1,052.98 cm³	64.257 in³
Elastic section modulus (Sy)	135.18 cm³	8.249 in³
Plastic section modulus (Zx)	1,190.83 cm³	72.669 in³
Plastic section modulus (Zy)	208.66 cm³	12.733 in³
Radius of gyration (rx)	16.88 cm	6.644 in
Radius of gyration (ry)	4.01 cm	1.577 in