W 1008 x 349,3 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 1008 x 349,3 (México) · Doble T 1008 x 349,3 (Argentina / LATAM) · UB 1008.1 (UK / Australia)

The W 1008 x 349,3 steel profile weighs 349.3 kg/m (234.74 lb/ft), has a depth of 1008.1 mm (39.69 in), flange width 302 mm (11.89 in). Cross-sectional area: 44,515.477 mm². Moment of inertia Ix = 723,131.338 cm⁴, Iy = 18,460.496 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1008.1 mm	39.69 in
Width (b)	302 mm	11.89 in
Web thickness (tw)	21.1 mm	0.83 in
Flange thickness (tf)	40 mm	1.57 in
Fillet radius (r)	30 mm	1.18 in
Weight	349.3 kg/m	234.74 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	44,515.48 mm²	68.999 in²
Moment of inertia (Ix)	723,131.34 cm⁴	17373.23 in⁴
Moment of inertia (Iy)	18,460.5 cm⁴	443.51 in⁴
Elastic section modulus (Sx)	14,346.42 cm³	875.476 in³
Elastic section modulus (Sy)	1,222.55 cm³	74.605 in³
Plastic section modulus (Zx)	16,591.71 cm³	1012.492 in³
Plastic section modulus (Zy)	1,940.71 cm³	118.430 in³
Radius of gyration (rx)	40.3 cm	15.868 in
Radius of gyration (ry)	6.44 cm	2.535 in