W 407 x 347,0 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 407 x 347,0 (México) · Doble T 407 x 347,0 (Argentina / LATAM) · UB 407 (UK / Australia)

The W 407 x 347,0 steel profile weighs 347.0 kg/m (233.16 lb/ft), has a depth of 407 mm (16.02 in), flange width 404 mm (15.91 in). Cross-sectional area: 44,195.862 mm². Moment of inertia Ix = 124,944.517 cm⁴, Iy = 48,085.062 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	407 mm	16.02 in
Width (b)	404 mm	15.91 in
Web thickness (tw)	27.2 mm	1.07 in
Flange thickness (tf)	43.7 mm	1.72 in
Fillet radius (r)	15 mm	0.59 in
Weight	347.0 kg/m	233.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	44,195.86 mm²	68.504 in²
Moment of inertia (Ix)	124,944.52 cm⁴	3001.79 in⁴
Moment of inertia (Iy)	48,085.06 cm⁴	1155.24 in⁴
Elastic section modulus (Sx)	6,139.78 cm³	374.674 in³
Elastic section modulus (Sy)	2,380.45 cm³	145.264 in³
Plastic section modulus (Zx)	7,138.79 cm³	435.637 in³
Plastic section modulus (Zy)	3,628.66 cm³	221.435 in³
Radius of gyration (rx)	16.81 cm	6.620 in
Radius of gyration (ry)	10.43 cm	4.107 in