W 302 x 87,9 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 302 x 87,9 (México) · Doble T 302 x 87,9 (Argentina / LATAM) · UB 301.7 (UK / Australia)

The W 302 x 87,9 steel profile weighs 87.9 kg/m (59.08 lb/ft), has a depth of 301.7 mm (11.88 in), flange width 307.8 mm (12.12 in). Cross-sectional area: 11,206.246 mm². Moment of inertia Ix = 18,424.676 cm⁴, Iy = 5,984.442 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	301.7 mm	11.88 in
Width (b)	307.8 mm	12.12 in
Web thickness (tw)	12.4 mm	0.49 in
Flange thickness (tf)	12.3 mm	0.48 in
Fillet radius (r)	15.2 mm	0.60 in
Weight	87.9 kg/m	59.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,206.25 mm²	17.370 in²
Moment of inertia (Ix)	18,424.68 cm⁴	442.65 in⁴
Moment of inertia (Iy)	5,984.44 cm⁴	143.78 in⁴
Elastic section modulus (Sx)	1,221.39 cm³	74.534 in³
Elastic section modulus (Sy)	388.85 cm³	23.729 in³
Plastic section modulus (Zx)	1,360.49 cm³	83.022 in³
Plastic section modulus (Zy)	595.21 cm³	36.322 in³
Radius of gyration (rx)	12.82 cm	5.048 in
Radius of gyration (ry)	7.31 cm	2.877 in