W 308 x 109,9 Arval · Weight & Dimensions

Arval, 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 308 x 109,9 (México) · Doble T 308 x 109,9 (Argentina / LATAM) · UB 307.9 (UK / Australia)

The W 308 x 109,9 steel profile weighs 109.9 kg/m (73.85 lb/ft), has a depth of 307.9 mm (12.12 in), flange width 310.7 mm (12.23 in). Cross-sectional area: 14,007.516 mm². Moment of inertia Ix = 23,562.557 cm⁴, Iy = 7,709.123 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	307.9 mm	12.12 in
Width (b)	310.7 mm	12.23 in
Web thickness (tw)	15.3 mm	0.60 in
Flange thickness (tf)	15.4 mm	0.61 in
Fillet radius (r)	15.2 mm	0.60 in
Weight	109.9 kg/m	73.85 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,007.52 mm²	21.712 in²
Moment of inertia (Ix)	23,562.56 cm⁴	566.09 in⁴
Moment of inertia (Iy)	7,709.12 cm⁴	185.21 in⁴
Elastic section modulus (Sx)	1,530.53 cm³	93.399 in³
Elastic section modulus (Sy)	496.24 cm³	30.283 in³
Plastic section modulus (Zx)	1,720.05 cm³	104.965 in³
Plastic section modulus (Zy)	761.72 cm³	46.483 in³
Radius of gyration (rx)	12.97 cm	5.106 in
Radius of gyration (ry)	7.42 cm	2.921 in