W 340 x 84,0 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 340 x 84,0 (México) · Doble T 340 x 84,0 (Argentina / LATAM) · UB 340 (UK / Australia)

The W 340 x 84,0 steel profile weighs 84.0 kg/m (56.45 lb/ft), has a depth of 340 mm (13.39 in), flange width 367 mm (14.45 in). Cross-sectional area: 10,738.326 mm². Moment of inertia Ix = 23,206.491 cm⁴, Iy = 8,242.703 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	340 mm	13.39 in
Width (b)	367 mm	14.45 in
Web thickness (tw)	10 mm	0.39 in
Flange thickness (tf)	10 mm	0.39 in
Fillet radius (r)	15.2 mm	0.60 in
Weight	84.0 kg/m	56.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,738.33 mm²	16.644 in²
Moment of inertia (Ix)	23,206.49 cm⁴	557.54 in⁴
Moment of inertia (Iy)	8,242.7 cm⁴	198.03 in⁴
Elastic section modulus (Sx)	1,365.09 cm³	83.303 in³
Elastic section modulus (Sy)	449.19 cm³	27.412 in³
Plastic section modulus (Zx)	1,498.16 cm³	91.424 in³
Plastic section modulus (Zy)	683.11 cm³	41.686 in³
Radius of gyration (rx)	14.7 cm	5.788 in
Radius of gyration (ry)	8.76 cm	3.449 in