W 304 x 95,0 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 304 x 95,0 (México) · Doble T 304 x 95,0 (Argentina / LATAM) · UB 303.7 (UK / Australia)

The W 304 x 95,0 steel profile weighs 95.0 kg/m (63.83 lb/ft), has a depth of 303.7 mm (11.96 in), flange width 308.7 mm (12.15 in). Cross-sectional area: 12,095.176 mm². Moment of inertia Ix = 20,044.911 cm⁴, Iy = 6,528.536 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	303.7 mm	11.96 in
Width (b)	308.7 mm	12.15 in
Web thickness (tw)	13.3 mm	0.52 in
Flange thickness (tf)	13.3 mm	0.52 in
Fillet radius (r)	15.2 mm	0.60 in
Weight	95.0 kg/m	63.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,095.18 mm²	18.748 in²
Moment of inertia (Ix)	20,044.91 cm⁴	481.58 in⁴
Moment of inertia (Iy)	6,528.54 cm⁴	156.85 in⁴
Elastic section modulus (Sx)	1,320.05 cm³	80.555 in³
Elastic section modulus (Sy)	422.97 cm³	25.811 in³
Plastic section modulus (Zx)	1,474.41 cm³	89.974 in³
Plastic section modulus (Zy)	647.96 cm³	39.541 in³
Radius of gyration (rx)	12.87 cm	5.068 in
Radius of gyration (ry)	7.35 cm	2.892 in