W 198 x 18,2 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 198 x 18,2 (México) · Doble T 198 x 18,2 (Argentina / LATAM) · UB 198 (UK / Australia)

The W 198 x 18,2 steel profile weighs 18.2 kg/m (12.23 lb/ft), has a depth of 198 mm (7.80 in), flange width 99 mm (3.90 in). Cross-sectional area: 2,317.867 mm². Moment of inertia Ix = 1,581.563 cm⁴, Iy = 113.616 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	198 mm	7.80 in
Width (b)	99 mm	3.90 in
Web thickness (tw)	4.5 mm	0.18 in
Flange thickness (tf)	7 mm	0.28 in
Fillet radius (r)	11 mm	0.43 in
Weight	18.2 kg/m	12.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,317.87 mm²	3.593 in²
Moment of inertia (Ix)	1,581.56 cm⁴	38.00 in⁴
Moment of inertia (Iy)	113.62 cm⁴	2.73 in⁴
Elastic section modulus (Sx)	159.75 cm³	9.749 in³
Elastic section modulus (Sy)	22.95 cm³	1.401 in³
Plastic section modulus (Zx)	179.75 cm³	10.969 in³
Plastic section modulus (Zy)	35.72 cm³	2.180 in³
Radius of gyration (rx)	8.26 cm	3.252 in
Radius of gyration (ry)	2.21 cm	0.872 in