W 274 x 42,2 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 274 x 42,2 (México) · Doble T 274 x 42,2 (Argentina / LATAM) · UB 274 (UK / Australia)

The W 274 x 42,2 steel profile weighs 42.2 kg/m (28.38 lb/ft), has a depth of 274 mm (10.79 in), flange width 136 mm (5.35 in). Cross-sectional area: 5,383.542 mm². Moment of inertia Ix = 6,947.05 cm⁴, Iy = 513.48 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	274 mm	10.79 in
Width (b)	136 mm	5.35 in
Web thickness (tw)	7.5 mm	0.30 in
Flange thickness (tf)	12.2 mm	0.48 in
Fillet radius (r)	15 mm	0.59 in
Weight	42.2 kg/m	28.38 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,383.54 mm²	8.344 in²
Moment of inertia (Ix)	6,947.05 cm⁴	166.90 in⁴
Moment of inertia (Iy)	513.48 cm⁴	12.34 in⁴
Elastic section modulus (Sx)	507.08 cm³	30.944 in³
Elastic section modulus (Sy)	75.51 cm³	4.608 in³
Plastic section modulus (Zx)	574.65 cm³	35.067 in³
Plastic section modulus (Zy)	117.71 cm³	7.183 in³
Radius of gyration (rx)	11.36 cm	4.472 in
Radius of gyration (ry)	3.09 cm	1.216 in