W 361 x 173,5 British Steel · Weight & Dimensions

British Steel, 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 361 x 173,5 (México) · Doble T 361 x 173,5 (Argentina / LATAM) · UB 361.4 (UK / Australia)

The W 361 x 173,5 steel profile weighs 173.5 kg/m (116.59 lb/ft), has a depth of 361.4 mm (14.23 in), flange width 378.5 mm (14.90 in). Cross-sectional area: 22,149.306 mm². Moment of inertia Ix = 51,009.077 cm⁴, Iy = 18,462.568 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	361.4 mm	14.23 in
Width (b)	378.5 mm	14.90 in
Web thickness (tw)	20.3 mm	0.80 in
Flange thickness (tf)	20.4 mm	0.80 in
Fillet radius (r)	15.2 mm	0.60 in
Weight	173.5 kg/m	116.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	22,149.31 mm²	34.331 in²
Moment of inertia (Ix)	51,009.08 cm⁴	1225.49 in⁴
Moment of inertia (Iy)	18,462.57 cm⁴	443.56 in⁴
Elastic section modulus (Sx)	2,822.86 cm³	172.262 in³
Elastic section modulus (Sy)	975.57 cm³	59.533 in³
Plastic section modulus (Zx)	3,185.75 cm³	194.407 in³
Plastic section modulus (Zy)	1,496.99 cm³	91.352 in³
Radius of gyration (rx)	15.18 cm	5.975 in
Radius of gyration (ry)	9.13 cm	3.594 in