W 299 x 36,6 GOST · Weight & Dimensions

GOST, 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 299 x 36,6 (México) · Doble T 299 x 36,6 (Argentina / LATAM) · UB 299 (UK / Australia)

The W 299 x 36,6 steel profile weighs 36.6 kg/m (24.62 lb/ft), has a depth of 299 mm (11.77 in), flange width 140 mm (5.51 in). Cross-sectional area: 4,667.142 mm². Moment of inertia Ix = 7,292.859 cm⁴, Iy = 458.767 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	299 mm	11.77 in
Width (b)	140 mm	5.51 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	10 mm	0.39 in
Fillet radius (r)	15 mm	0.59 in
Weight	36.6 kg/m	24.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,667.14 mm²	7.234 in²
Moment of inertia (Ix)	7,292.86 cm⁴	175.21 in⁴
Moment of inertia (Iy)	458.77 cm⁴	11.02 in⁴
Elastic section modulus (Sx)	487.82 cm³	29.769 in³
Elastic section modulus (Sy)	65.54 cm³	3.999 in³
Plastic section modulus (Zx)	547.66 cm³	33.420 in³
Plastic section modulus (Zy)	101.74 cm³	6.208 in³
Radius of gyration (rx)	12.5 cm	4.921 in
Radius of gyration (ry)	3.14 cm	1.234 in