W 330 x 157,9 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 330 x 157,9 (México) · Doble T 330 x 157,9 (Argentina / LATAM) · UB 330 (UK / Australia)

The W 330 x 157,9 steel profile weighs 157.9 kg/m (106.14 lb/ft), has a depth of 330 mm (12.99 in), flange width 303 mm (11.93 in). Cross-sectional area: 20,124.279 mm². Moment of inertia Ix = 39,644.467 cm⁴, Iy = 11,842.434 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	330 mm	12.99 in
Width (b)	303 mm	11.93 in
Web thickness (tw)	14.5 mm	0.57 in
Flange thickness (tf)	25.5 mm	1.00 in
Fillet radius (r)	27 mm	1.06 in
Weight	157.9 kg/m	106.14 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	20,124.28 mm²	31.193 in²
Moment of inertia (Ix)	39,644.47 cm⁴	952.46 in⁴
Moment of inertia (Iy)	11,842.43 cm⁴	284.51 in⁴
Elastic section modulus (Sx)	2,402.69 cm³	146.622 in³
Elastic section modulus (Sy)	781.68 cm³	47.701 in³
Plastic section modulus (Zx)	2,718.42 cm³	165.889 in³
Plastic section modulus (Zy)	1,193.54 cm³	72.835 in³
Radius of gyration (rx)	14.04 cm	5.526 in
Radius of gyration (ry)	7.67 cm	3.020 in