W 197 x 18,4 Arval · Weight & Dimensions

Arval, 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 197 x 18,4 (México) · Doble T 197 x 18,4 (Argentina / LATAM) · UB 197 (UK / Australia)

The W 197 x 18,4 steel profile weighs 18.4 kg/m (12.40 lb/ft), has a depth of 197 mm (7.76 in), flange width 100 mm (3.94 in). Cross-sectional area: 2,347.111 mm². Moment of inertia Ix = 1,591.468 cm⁴, Iy = 117.169 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	197 mm	7.76 in
Width (b)	100 mm	3.94 in
Web thickness (tw)	4.5 mm	0.18 in
Flange thickness (tf)	7 mm	0.28 in
Fillet radius (r)	12 mm	0.47 in
Weight	18.4 kg/m	12.40 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,347.11 mm²	3.638 in²
Moment of inertia (Ix)	1,591.47 cm⁴	38.24 in⁴
Moment of inertia (Iy)	117.17 cm⁴	2.81 in⁴
Elastic section modulus (Sx)	161.57 cm³	9.860 in³
Elastic section modulus (Sy)	23.43 cm³	1.430 in³
Plastic section modulus (Zx)	181.65 cm³	11.085 in³
Plastic section modulus (Zy)	36.54 cm³	2.230 in³
Radius of gyration (rx)	8.23 cm	3.242 in
Radius of gyration (ry)	2.23 cm	0.880 in