W 394 x 146,6 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 146,6 (México) · Doble T 394 x 146,6 (Argentina / LATAM) · UB 394 (UK / Australia)

The W 394 x 146,6 steel profile weighs 146.6 kg/m (98.54 lb/ft), has a depth of 394 mm (15.51 in), flange width 398 mm (15.67 in). Cross-sectional area: 18,681.469 mm². Moment of inertia Ix = 56,145.308 cm⁴, Iy = 18,922.621 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	394 mm	15.51 in
Width (b)	398 mm	15.67 in
Web thickness (tw)	11 mm	0.43 in
Flange thickness (tf)	18 mm	0.71 in
Fillet radius (r)	22 mm	0.87 in
Weight	146.6 kg/m	98.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	18,681.47 mm²	28.956 in²
Moment of inertia (Ix)	56,145.31 cm⁴	1348.89 in⁴
Moment of inertia (Iy)	18,922.62 cm⁴	454.62 in⁴
Elastic section modulus (Sx)	2,850.02 cm³	173.919 in³
Elastic section modulus (Sy)	950.89 cm³	58.027 in³
Plastic section modulus (Zx)	3,118.44 cm³	190.300 in³
Plastic section modulus (Zy)	1,440.79 cm³	87.923 in³
Radius of gyration (rx)	17.34 cm	6.825 in
Radius of gyration (ry)	10.06 cm	3.962 in