W 318 x 52,2 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 318 x 52,2 (México) · Doble T 318 x 52,2 (Argentina / LATAM) · UB 318 (UK / Australia)

The W 318 x 52,2 steel profile weighs 52.2 kg/m (35.08 lb/ft), has a depth of 318 mm (12.52 in), flange width 167 mm (6.57 in). Cross-sectional area: 6,624.96 mm². Moment of inertia Ix = 11,816.519 cm⁴, Iy = 1,025.709 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	318 mm	12.52 in
Width (b)	167 mm	6.57 in
Web thickness (tw)	7.6 mm	0.30 in
Flange thickness (tf)	13.2 mm	0.52 in
Weight	52.2 kg/m	35.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,624.96 mm²	10.269 in²
Moment of inertia (Ix)	11,816.52 cm⁴	283.89 in⁴
Moment of inertia (Iy)	1,025.71 cm⁴	24.64 in⁴
Elastic section modulus (Sx)	743.18 cm³	45.352 in³
Elastic section modulus (Sy)	122.84 cm³	7.496 in³
Plastic section modulus (Zx)	833.46 cm³	50.861 in³
Plastic section modulus (Zy)	188.28 cm³	11.489 in³
Radius of gyration (rx)	13.36 cm	5.258 in
Radius of gyration (ry)	3.93 cm	1.549 in