W 394 x 168,3 KS · Weight & Dimensions

KS, 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 394 x 168,3 (México) · Doble T 394 x 168,3 (Argentina / LATAM) · UB 394 (UK / Australia)

The W 394 x 168,3 steel profile weighs 168.3 kg/m (113.10 lb/ft), has a depth of 394 mm (15.51 in), flange width 405 mm (15.94 in). Cross-sectional area: 21,439.469 mm². Moment of inertia Ix = 59,713.149 cm⁴, Iy = 19,955.187 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	394 mm	15.51 in
Width (b)	405 mm	15.94 in
Web thickness (tw)	18 mm	0.71 in
Flange thickness (tf)	18 mm	0.71 in
Fillet radius (r)	22 mm	0.87 in
Weight	168.3 kg/m	113.10 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,439.47 mm²	33.231 in²
Moment of inertia (Ix)	59,713.15 cm⁴	1434.61 in⁴
Moment of inertia (Iy)	19,955.19 cm⁴	479.42 in⁴
Elastic section modulus (Sx)	3,031.12 cm³	184.971 in³
Elastic section modulus (Sy)	985.44 cm³	60.136 in³
Plastic section modulus (Zx)	3,390.11 cm³	206.878 in³
Plastic section modulus (Zy)	1,511 cm³	92.208 in³
Radius of gyration (rx)	16.69 cm	6.570 in
Radius of gyration (ry)	9.65 cm	3.798 in