W 399 x 314,0 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 399 x 314,0 (México) · Doble T 399 x 314,0 (Argentina / LATAM) · UB 399 (UK / Australia)

The W 399 x 314,0 steel profile weighs 314.0 kg/m (211.01 lb/ft), has a depth of 399 mm (15.71 in), flange width 401 mm (15.79 in). Cross-sectional area: 39,722.22 mm². Moment of inertia Ix = 109,758.743 cm⁴, Iy = 42,598.736 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	399 mm	15.71 in
Width (b)	401 mm	15.79 in
Web thickness (tw)	24.9 mm	0.98 in
Flange thickness (tf)	39.6 mm	1.56 in
Weight	314.0 kg/m	211.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	39,722.22 mm²	61.569 in²
Moment of inertia (Ix)	109,758.74 cm⁴	2636.95 in⁴
Moment of inertia (Iy)	42,598.74 cm⁴	1023.43 in⁴
Elastic section modulus (Sx)	5,501.69 cm³	335.735 in³
Elastic section modulus (Sy)	2,124.63 cm³	129.653 in³
Plastic section modulus (Zx)	6,343.77 cm³	387.122 in³
Plastic section modulus (Zy)	3,233.43 cm³	197.317 in³
Radius of gyration (rx)	16.62 cm	6.544 in
Radius of gyration (ry)	10.36 cm	4.077 in