W 450 x 77,6 Cintac · Weight & Dimensions

Cintac, 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 450 x 77,6 (México) · Doble T 450 x 77,6 (Argentina / LATAM) · UB 450 (UK / Australia)

The W 450 x 77,6 steel profile weighs 77.6 kg/m (52.12 lb/ft), has a depth of 450 mm (17.72 in), flange width 190 mm (7.48 in). Cross-sectional area: 9,882.078 mm². Moment of inertia Ix = 33,742.942 cm⁴, Iy = 1,675.861 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	190 mm	7.48 in
Web thickness (tw)	9.4 mm	0.37 in
Flange thickness (tf)	14.6 mm	0.57 in
Fillet radius (r)	21 mm	0.83 in
Weight	77.6 kg/m	52.12 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,882.08 mm²	15.317 in²
Moment of inertia (Ix)	33,742.94 cm⁴	810.67 in⁴
Moment of inertia (Iy)	1,675.86 cm⁴	40.26 in⁴
Elastic section modulus (Sx)	1,499.69 cm³	91.517 in³
Elastic section modulus (Sy)	176.41 cm³	10.765 in³
Plastic section modulus (Zx)	1,701.79 cm³	103.850 in³
Plastic section modulus (Zy)	276.38 cm³	16.866 in³
Radius of gyration (rx)	18.48 cm	7.275 in
Radius of gyration (ry)	4.12 cm	1.621 in