W 356 x 133,9 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 356 x 133,9 (México) · Doble T 356 x 133,9 (Argentina / LATAM) · UB 356 (UK / Australia)

The W 356 x 133,9 steel profile weighs 133.9 kg/m (89.99 lb/ft), has a depth of 356 mm (14.02 in), flange width 369 mm (14.53 in). Cross-sectional area: 17,061.142 mm². Moment of inertia Ix = 41,508.75 cm⁴, Iy = 15,078.469 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	356 mm	14.02 in
Width (b)	369 mm	14.53 in
Web thickness (tw)	11.2 mm	0.44 in
Flange thickness (tf)	18 mm	0.71 in
Fillet radius (r)	15 mm	0.59 in
Weight	133.9 kg/m	89.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	17,061.14 mm²	26.445 in²
Moment of inertia (Ix)	41,508.75 cm⁴	997.25 in⁴
Moment of inertia (Iy)	15,078.47 cm⁴	362.26 in⁴
Elastic section modulus (Sx)	2,331.95 cm³	142.305 in³
Elastic section modulus (Sy)	817.26 cm³	49.873 in³
Plastic section modulus (Zx)	2,561.97 cm³	156.342 in³
Plastic section modulus (Zy)	1,237.21 cm³	75.500 in³
Radius of gyration (rx)	15.6 cm	6.141 in
Radius of gyration (ry)	9.4 cm	3.701 in