W 289 x 166,4 SAISC · Weight & Dimensions

SAISC, 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 289 x 166,4 (México) · Doble T 289 x 166,4 (Argentina / LATAM) · UB 289.1 (UK / Australia)

The W 289 x 166,4 steel profile weighs 166.4 kg/m (111.83 lb/ft), has a depth of 289.1 mm (11.38 in), flange width 264.5 mm (10.41 in). Cross-sectional area: 21,241.193 mm². Moment of inertia Ix = 29,923.786 cm⁴, Iy = 9,792.069 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	289.1 mm	11.38 in
Width (b)	264.5 mm	10.41 in
Web thickness (tw)	19.2 mm	0.76 in
Flange thickness (tf)	31.7 mm	1.25 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	166.4 kg/m	111.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	21,241.19 mm²	32.924 in²
Moment of inertia (Ix)	29,923.79 cm⁴	718.92 in⁴
Moment of inertia (Iy)	9,792.07 cm⁴	235.25 in⁴
Elastic section modulus (Sx)	2,070.13 cm³	126.328 in³
Elastic section modulus (Sy)	740.42 cm³	45.183 in³
Plastic section modulus (Zx)	2,417.95 cm³	147.553 in³
Plastic section modulus (Zy)	1,131.39 cm³	69.042 in³
Radius of gyration (rx)	11.87 cm	4.673 in
Radius of gyration (ry)	6.79 cm	2.673 in