W 200 x 46,1 Gerdau · Weight & Dimensions

Gerdau · 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 200 x 46,1 (México) · Doble T 200 x 46,1 (Argentina / LATAM) · UB 203 (UK / Australia)

The W 200 x 46,1 steel profile weighs 46.1 kg/m (30.98 lb/ft), has a depth of 203 mm (7.99 in), flange width 203 mm (7.99 in). Cross-sectional area: 5,855.041 mm². Moment of inertia Ix = 4,543.061 cm⁴, Iy = 1,534.547 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	203 mm	7.99 in
Width (b)	203 mm	7.99 in
Web thickness (tw)	7.2 mm	0.28 in
Flange thickness (tf)	11 mm	0.43 in
Fillet radius (r)	10 mm	0.39 in
Weight	46.1 kg/m	30.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,855.04 mm²	9.075 in²
Moment of inertia (Ix)	4,543.06 cm⁴	109.15 in⁴
Moment of inertia (Iy)	1,534.55 cm⁴	36.87 in⁴
Elastic section modulus (Sx)	447.59 cm³	27.314 in³
Elastic section modulus (Sy)	151.19 cm³	9.226 in³
Plastic section modulus (Zx)	495.28 cm³	30.224 in³
Plastic section modulus (Zy)	229.5 cm³	14.005 in³
Radius of gyration (rx)	8.81 cm	3.468 in
Radius of gyration (ry)	5.12 cm	2.016 in