W 356 x 157,8 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 157,8 (México) · Doble T 356 x 157,8 (Argentina / LATAM) · UB 356 (UK / Australia)

The W 356 x 157,8 steel profile weighs 157.8 kg/m (106.03 lb/ft), has a depth of 356 mm (14.02 in), flange width 394 mm (15.51 in). Cross-sectional area: 20,137.142 mm². Moment of inertia Ix = 45,938.523 cm⁴, Iy = 18,367.546 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	356 mm	14.02 in
Width (b)	394 mm	15.51 in
Web thickness (tw)	18 mm	0.71 in
Flange thickness (tf)	18 mm	0.71 in
Fillet radius (r)	15 mm	0.59 in
Weight	157.8 kg/m	106.03 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,137.14 mm²	31.213 in²
Moment of inertia (Ix)	45,938.52 cm⁴	1103.67 in⁴
Moment of inertia (Iy)	18,367.55 cm⁴	441.28 in⁴
Elastic section modulus (Sx)	2,580.82 cm³	157.492 in³
Elastic section modulus (Sy)	932.36 cm³	56.897 in³
Plastic section modulus (Zx)	2,888.15 cm³	176.247 in³
Plastic section modulus (Zy)	1,425.43 cm³	86.985 in³
Radius of gyration (rx)	15.1 cm	5.946 in
Radius of gyration (ry)	9.55 cm	3.760 in