W 406 x 200,1 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 406 x 200,1 (México) · Doble T 406 x 200,1 (Argentina / LATAM) · UB 406 (UK / Australia)

The W 406 x 200,1 steel profile weighs 200.1 kg/m (134.47 lb/ft), has a depth of 406 mm (15.98 in), flange width 403 mm (15.87 in). Cross-sectional area: 25,487.469 mm². Moment of inertia Ix = 78,039.216 cm⁴, Iy = 26,200.186 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	406 mm	15.98 in
Width (b)	403 mm	15.87 in
Web thickness (tw)	16 mm	0.63 in
Flange thickness (tf)	24 mm	0.94 in
Fillet radius (r)	22 mm	0.87 in
Weight	200.1 kg/m	134.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,487.47 mm²	39.506 in²
Moment of inertia (Ix)	78,039.22 cm⁴	1874.89 in⁴
Moment of inertia (Iy)	26,200.19 cm⁴	629.46 in⁴
Elastic section modulus (Sx)	3,844.3 cm³	234.594 in³
Elastic section modulus (Sy)	1,300.26 cm³	79.347 in³
Plastic section modulus (Zx)	4,279.69 cm³	261.164 in³
Plastic section modulus (Zy)	1,977.19 cm³	120.656 in³
Radius of gyration (rx)	17.5 cm	6.889 in
Radius of gyration (ry)	10.14 cm	3.992 in