W 248 x 66,5 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 248 x 66,5 (México) · Doble T 248 x 66,5 (Argentina / LATAM) · UB 248 (UK / Australia)

The W 248 x 66,5 steel profile weighs 66.5 kg/m (44.68 lb/ft), has a depth of 248 mm (9.76 in), flange width 249 mm (9.80 in). Cross-sectional area: 8,469.752 mm². Moment of inertia Ix = 9,930.487 cm⁴, Iy = 3,347.36 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	248 mm	9.76 in
Width (b)	249 mm	9.80 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	13 mm	0.51 in
Fillet radius (r)	16 mm	0.63 in
Weight	66.5 kg/m	44.68 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,469.75 mm²	13.128 in²
Moment of inertia (Ix)	9,930.49 cm⁴	238.58 in⁴
Moment of inertia (Iy)	3,347.36 cm⁴	80.42 in⁴
Elastic section modulus (Sx)	800.85 cm³	48.871 in³
Elastic section modulus (Sy)	268.86 cm³	16.407 in³
Plastic section modulus (Zx)	882.87 cm³	53.876 in³
Plastic section modulus (Zy)	408.22 cm³	24.911 in³
Radius of gyration (rx)	10.83 cm	4.263 in
Radius of gyration (ry)	6.29 cm	2.475 in