W 177 x 15,4 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 177 x 15,4 (México) · Doble T 177 x 15,4 (Argentina / LATAM) · UB 177 (UK / Australia)

The W 177 x 15,4 steel profile weighs 15.4 kg/m (10.34 lb/ft), has a depth of 177 mm (6.97 in), flange width 91 mm (3.58 in). Cross-sectional area: 1,957.731 mm². Moment of inertia Ix = 1,062.736 cm⁴, Iy = 81.886 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	177 mm	6.97 in
Width (b)	91 mm	3.58 in
Web thickness (tw)	4.3 mm	0.17 in
Flange thickness (tf)	6.5 mm	0.26 in
Fillet radius (r)	9 mm	0.35 in
Weight	15.4 kg/m	10.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,957.73 mm²	3.034 in²
Moment of inertia (Ix)	1,062.74 cm⁴	25.53 in⁴
Moment of inertia (Iy)	81.89 cm⁴	1.97 in⁴
Elastic section modulus (Sx)	120.08 cm³	7.328 in³
Elastic section modulus (Sy)	18 cm³	1.098 in³
Plastic section modulus (Zx)	135.33 cm³	8.258 in³
Plastic section modulus (Zy)	27.96 cm³	1.706 in³
Radius of gyration (rx)	7.37 cm	2.901 in
Radius of gyration (ry)	2.05 cm	0.805 in