W 204 x 53,9 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 204 x 53,9 (México) · Doble T 204 x 53,9 (Argentina / LATAM) · UB 204 (UK / Australia)

The W 204 x 53,9 steel profile weighs 53.9 kg/m (36.24 lb/ft), has a depth of 204 mm (8.03 in), flange width 207.7 mm (8.18 in). Cross-sectional area: 6,872.429 mm². Moment of inertia Ix = 5,026.677 cm⁴, Iy = 1,705.179 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	204 mm	8.03 in
Width (b)	207.7 mm	8.18 in
Web thickness (tw)	11.3 mm	0.44 in
Flange thickness (tf)	11.4 mm	0.45 in
Fillet radius (r)	10.2 mm	0.40 in
Weight	53.9 kg/m	36.24 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,872.43 mm²	10.652 in²
Moment of inertia (Ix)	5,026.68 cm⁴	120.77 in⁴
Moment of inertia (Iy)	1,705.18 cm⁴	40.97 in⁴
Elastic section modulus (Sx)	492.81 cm³	30.073 in³
Elastic section modulus (Sy)	164.2 cm³	10.020 in³
Plastic section modulus (Zx)	556.68 cm³	33.971 in³
Plastic section modulus (Zy)	252.39 cm³	15.402 in³
Radius of gyration (rx)	8.55 cm	3.367 in
Radius of gyration (ry)	4.98 cm	1.961 in