W 298 x 87,0 KS · Weight & Dimensions

KS, 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 298 x 87,0 (México) · Doble T 298 x 87,0 (Argentina / LATAM) · UB 298 (UK / Australia)

The W 298 x 87,0 steel profile weighs 87.0 kg/m (58.45 lb/ft), has a depth of 298 mm (11.73 in), flange width 299 mm (11.77 in). Cross-sectional area: 11,080.124 mm². Moment of inertia Ix = 18,848.655 cm⁴, Iy = 6,241.186 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	298 mm	11.73 in
Width (b)	299 mm	11.77 in
Web thickness (tw)	9 mm	0.35 in
Flange thickness (tf)	14 mm	0.55 in
Fillet radius (r)	18 mm	0.71 in
Weight	87.0 kg/m	58.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,080.12 mm²	17.174 in²
Moment of inertia (Ix)	18,848.66 cm⁴	452.84 in⁴
Moment of inertia (Iy)	6,241.19 cm⁴	149.94 in⁴
Elastic section modulus (Sx)	1,265.01 cm³	77.196 in³
Elastic section modulus (Sy)	417.47 cm³	25.476 in³
Plastic section modulus (Zx)	1,389.28 cm³	84.779 in³
Plastic section modulus (Zy)	633.64 cm³	38.668 in³
Radius of gyration (rx)	13.04 cm	5.135 in
Radius of gyration (ry)	7.51 cm	2.955 in