W 773 x 257,3 IMCA · Weight & Dimensions

IMCA, 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 773 x 257,3 (México) · Doble T 773 x 257,3 (Argentina / LATAM) · UB 773 (UK / Australia)

The W 773 x 257,3 steel profile weighs 257.3 kg/m (172.92 lb/ft), has a depth of 773 mm (30.43 in), flange width 381 mm (15.00 in). Cross-sectional area: 32,582.28 mm². Moment of inertia Ix = 338,728.435 cm⁴, Iy = 25,007.431 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	773 mm	30.43 in
Width (b)	381 mm	15.00 in
Web thickness (tw)	16.6 mm	0.65 in
Flange thickness (tf)	27.1 mm	1.07 in
Weight	257.3 kg/m	172.92 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	32,582.28 mm²	50.503 in²
Moment of inertia (Ix)	338,728.44 cm⁴	8137.95 in⁴
Moment of inertia (Iy)	25,007.43 cm⁴	600.80 in⁴
Elastic section modulus (Sx)	8,764 cm³	534.814 in³
Elastic section modulus (Sy)	1,312.73 cm³	80.108 in³
Plastic section modulus (Zx)	9,845.69 cm³	600.823 in³
Plastic section modulus (Zy)	2,016.45 cm³	123.052 in³
Radius of gyration (rx)	32.24 cm	12.694 in
Radius of gyration (ry)	8.76 cm	3.449 in