W 1048 x 641,8 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 1048 x 641,8 (México) · Doble T 1048 x 641,8 (Argentina / LATAM) · UB 1048 (UK / Australia)

The W 1048 x 641,8 steel profile weighs 641.8 kg/m (431.30 lb/ft), has a depth of 1048 mm (41.26 in), flange width 412 mm (16.22 in). Cross-sectional area: 81,764.567 mm². Moment of inertia Ix = 1,450,589.702 cm⁴, Iy = 70,284.322 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1048 mm	41.26 in
Width (b)	412 mm	16.22 in
Web thickness (tw)	34 mm	1.34 in
Flange thickness (tf)	60 mm	2.36 in
Fillet radius (r)	30 mm	1.18 in
Weight	641.8 kg/m	431.30 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	81,764.57 mm²	126.735 in²
Moment of inertia (Ix)	1,450,589.7 cm⁴	34850.42 in⁴
Moment of inertia (Iy)	70,284.32 cm⁴	1688.58 in⁴
Elastic section modulus (Sx)	27,683.01 cm³	1689.328 in³
Elastic section modulus (Sy)	3,411.86 cm³	208.205 in³
Plastic section modulus (Zx)	32,096.72 cm³	1958.670 in³
Plastic section modulus (Zy)	5,378.82 cm³	328.237 in³
Radius of gyration (rx)	42.12 cm	16.583 in
Radius of gyration (ry)	9.27 cm	3.650 in