W 290 x 87,9 Acindar · Weight & Dimensions

Acindar, 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 290 x 87,9 (México) · Doble T 290 x 87,9 (Argentina / LATAM) · UB 290 (UK / Australia)

The W 290 x 87,9 steel profile weighs 87.9 kg/m (59.08 lb/ft), has a depth of 290 mm (11.42 in), flange width 300 mm (11.81 in). Cross-sectional area: 11,252.779 mm². Moment of inertia Ix = 18,263.498 cm⁴, Iy = 6,309.559 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	290 mm	11.42 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	8.5 mm	0.33 in
Flange thickness (tf)	14 mm	0.55 in
Fillet radius (r)	27 mm	1.06 in
Weight	87.9 kg/m	59.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,252.78 mm²	17.442 in²
Moment of inertia (Ix)	18,263.5 cm⁴	438.78 in⁴
Moment of inertia (Iy)	6,309.56 cm⁴	151.59 in⁴
Elastic section modulus (Sx)	1,259.55 cm³	76.863 in³
Elastic section modulus (Sy)	420.64 cm³	25.669 in³
Plastic section modulus (Zx)	1,383.27 cm³	84.413 in³
Plastic section modulus (Zy)	641.17 cm³	39.127 in³
Radius of gyration (rx)	12.74 cm	5.016 in
Radius of gyration (ry)	7.49 cm	2.948 in