W 1100 x 390,1 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 1100 x 390,1 (México) · Doble T 1100 x 390,1 (Argentina / LATAM) · UB 1100 (UK / Australia)

The W 1100 x 390,1 steel profile weighs 390.1 kg/m (262.18 lb/ft), has a depth of 1100 mm (43.31 in), flange width 400 mm (15.75 in). Cross-sectional area: 49,703.363 mm². Moment of inertia Ix = 1,005,397.477 cm⁴, Iy = 38,476.203 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1100 mm	43.31 in
Width (b)	400 mm	15.75 in
Web thickness (tw)	20 mm	0.79 in
Flange thickness (tf)	36 mm	1.42 in
Fillet radius (r)	20 mm	0.79 in
Weight	390.1 kg/m	262.18 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	49,703.36 mm²	77.040 in²
Moment of inertia (Ix)	1,005,397.48 cm⁴	24154.67 in⁴
Moment of inertia (Iy)	38,476.2 cm⁴	924.39 in⁴
Elastic section modulus (Sx)	18,279.95 cm³	1115.516 in³
Elastic section modulus (Sy)	1,923.81 cm³	117.399 in³
Plastic section modulus (Zx)	20,780.47 cm³	1268.108 in³
Plastic section modulus (Zy)	2,987.77 cm³	182.326 in³
Radius of gyration (rx)	44.98 cm	17.707 in
Radius of gyration (ry)	8.8 cm	3.464 in