W 668 x 293,4 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 668 x 293,4 (México) · Doble T 668 x 293,4 (Argentina / LATAM) · UB 668 (UK / Australia)

The W 668 x 293,4 steel profile weighs 293.4 kg/m (197.13 lb/ft), has a depth of 668 mm (26.30 in), flange width 305 mm (12.01 in). Cross-sectional area: 37,373.779 mm². Moment of inertia Ix = 281,667.581 cm⁴, Iy = 18,979.167 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	668 mm	26.30 in
Width (b)	305 mm	12.01 in
Web thickness (tw)	21 mm	0.83 in
Flange thickness (tf)	40 mm	1.57 in
Fillet radius (r)	27 mm	1.06 in
Weight	293.4 kg/m	197.13 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	37,373.78 mm²	57.929 in²
Moment of inertia (Ix)	281,667.58 cm⁴	6767.06 in⁴
Moment of inertia (Iy)	18,979.17 cm⁴	455.97 in⁴
Elastic section modulus (Sx)	8,433.16 cm³	514.625 in³
Elastic section modulus (Sy)	1,244.54 cm³	75.947 in³
Plastic section modulus (Zx)	9,656.96 cm³	589.306 in³
Plastic section modulus (Zy)	1,935.67 cm³	118.122 in³
Radius of gyration (rx)	27.45 cm	10.808 in
Radius of gyration (ry)	7.13 cm	2.806 in