W 200 x 49,9 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 200 x 49,9 (México) · Doble T 200 x 49,9 (Argentina / LATAM) · UB 200 (UK / Australia)

The W 200 x 49,9 steel profile weighs 49.9 kg/m (33.51 lb/ft), has a depth of 200 mm (7.87 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,353.071 mm². Moment of inertia Ix = 4,715.629 cm⁴, Iy = 1,601.529 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	12 mm	0.47 in
Fillet radius (r)	13 mm	0.51 in
Weight	49.9 kg/m	33.51 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,353.07 mm²	9.847 in²
Moment of inertia (Ix)	4,715.63 cm⁴	113.29 in⁴
Moment of inertia (Iy)	1,601.53 cm⁴	38.48 in⁴
Elastic section modulus (Sx)	471.56 cm³	28.777 in³
Elastic section modulus (Sy)	160.15 cm³	9.773 in³
Plastic section modulus (Zx)	525.5 cm³	32.068 in³
Plastic section modulus (Zy)	243.82 cm³	14.879 in³
Radius of gyration (rx)	8.62 cm	3.392 in
Radius of gyration (ry)	5.02 cm	1.977 in