W 303 x 88,7 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 303 x 88,7 (México) · Doble T 303 x 88,7 (Argentina / LATAM) · UB 303 (UK / Australia)

The W 303 x 88,7 steel profile weighs 88.7 kg/m (59.61 lb/ft), has a depth of 303 mm (11.93 in), flange width 304 mm (11.97 in). Cross-sectional area: 11,269.779 mm². Moment of inertia Ix = 18,742.7 cm⁴, Iy = 5,633.572 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	303 mm	11.93 in
Width (b)	304 mm	11.97 in
Web thickness (tw)	12 mm	0.47 in
Flange thickness (tf)	12 mm	0.47 in
Fillet radius (r)	27 mm	1.06 in
Weight	88.7 kg/m	59.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,269.78 mm²	17.468 in²
Moment of inertia (Ix)	18,742.7 cm⁴	450.29 in⁴
Moment of inertia (Iy)	5,633.57 cm⁴	135.35 in⁴
Elastic section modulus (Sx)	1,237.14 cm³	75.495 in³
Elastic section modulus (Sy)	370.63 cm³	22.617 in³
Plastic section modulus (Zx)	1,378.61 cm³	84.128 in³
Plastic section modulus (Zy)	572.07 cm³	34.910 in³
Radius of gyration (rx)	12.9 cm	5.077 in
Radius of gyration (ry)	7.07 cm	2.784 in