W 770 x 171,5 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 770 x 171,5 (México) · Doble T 770 x 171,5 (Argentina / LATAM) · UB 770 (UK / Australia)

The W 770 x 171,5 steel profile weighs 171.5 kg/m (115.26 lb/ft), has a depth of 770 mm (30.31 in), flange width 300 mm (11.81 in). Cross-sectional area: 21,848.567 mm². Moment of inertia Ix = 208,882.257 cm⁴, Iy = 8,133.731 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	770 mm	30.31 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	14 mm	0.55 in
Flange thickness (tf)	18 mm	0.71 in
Fillet radius (r)	30 mm	1.18 in
Weight	171.5 kg/m	115.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,848.57 mm²	33.865 in²
Moment of inertia (Ix)	208,882.26 cm⁴	5018.40 in⁴
Moment of inertia (Iy)	8,133.73 cm⁴	195.41 in⁴
Elastic section modulus (Sx)	5,425.51 cm³	331.087 in³
Elastic section modulus (Sy)	542.25 cm³	33.090 in³
Plastic section modulus (Zx)	6,224.8 cm³	379.862 in³
Plastic section modulus (Zy)	856.55 cm³	52.270 in³
Radius of gyration (rx)	30.92 cm	12.173 in
Radius of gyration (ry)	6.1 cm	2.402 in