W 529 x 74,7 British Steel · Weight & Dimensions

British Steel, hot-rolled 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.

Also known as: IPR 529 x 74,7 (México) · Doble T 529 x 74,7 (Argentina / LATAM) · UB 529.1 (UK / Australia)

The W 529 x 74,7 steel profile weighs 74.7 kg/m (50.22 lb/ft), has a depth of 529.1 mm (20.83 in), flange width 165.9 mm (6.53 in). Cross-sectional area: 9,519.363 mm². Moment of inertia Ix = 41,057.831 cm⁴, Iy = 1,039.682 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	529.1 mm	20.83 in
Width (b)	165.9 mm	6.53 in
Web thickness (tw)	9.7 mm	0.38 in
Flange thickness (tf)	13.6 mm	0.54 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	74.7 kg/m	50.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,519.36 mm²	14.755 in²
Moment of inertia (Ix)	41,057.83 cm⁴	986.41 in⁴
Moment of inertia (Iy)	1,039.68 cm⁴	24.98 in⁴
Elastic section modulus (Sx)	1,551.99 cm³	94.708 in³
Elastic section modulus (Sy)	125.34 cm³	7.649 in³
Plastic section modulus (Zx)	1,808.31 cm³	110.350 in³
Plastic section modulus (Zy)	200.03 cm³	12.206 in³
Radius of gyration (rx)	20.77 cm	8.176 in
Radius of gyration (ry)	3.3 cm	1.301 in