W 180 x 51,3 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 180 x 51,3 (México) · Doble T 180 x 51,3 (Argentina / LATAM) · UB 180 (UK / Australia)

The W 180 x 51,3 steel profile weighs 51.3 kg/m (34.45 lb/ft), has a depth of 180 mm (7.09 in), flange width 180 mm (7.09 in). Cross-sectional area: 6,525.142 mm². Moment of inertia Ix = 3,831.133 cm⁴, Iy = 1,362.846 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	180 mm	7.09 in
Web thickness (tw)	8.5 mm	0.33 in
Flange thickness (tf)	14 mm	0.55 in
Fillet radius (r)	15 mm	0.59 in
Weight	51.3 kg/m	34.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,525.14 mm²	10.114 in²
Moment of inertia (Ix)	3,831.13 cm⁴	92.04 in⁴
Moment of inertia (Iy)	1,362.85 cm⁴	32.74 in⁴
Elastic section modulus (Sx)	425.68 cm³	25.977 in³
Elastic section modulus (Sy)	151.43 cm³	9.241 in³
Plastic section modulus (Zx)	481.45 cm³	29.380 in³
Plastic section modulus (Zy)	231.01 cm³	14.097 in³
Radius of gyration (rx)	7.66 cm	3.017 in
Radius of gyration (ry)	4.57 cm	1.799 in