W 446 x 66,2 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 446 x 66,2 (México) · Doble T 446 x 66,2 (Argentina / LATAM) · UB 446 (UK / Australia)

The W 446 x 66,2 steel profile weighs 66.2 kg/m (44.47 lb/ft), has a depth of 446 mm (17.56 in), flange width 199 mm (7.83 in). Cross-sectional area: 8,430.124 mm². Moment of inertia Ix = 28,697.347 cm⁴, Iy = 1,580.026 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	446 mm	17.56 in
Width (b)	199 mm	7.83 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	12 mm	0.47 in
Fillet radius (r)	18 mm	0.71 in
Weight	66.2 kg/m	44.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,430.12 mm²	13.067 in²
Moment of inertia (Ix)	28,697.35 cm⁴	689.45 in⁴
Moment of inertia (Iy)	1,580.03 cm⁴	37.96 in⁴
Elastic section modulus (Sx)	1,286.88 cm³	78.530 in³
Elastic section modulus (Sy)	158.8 cm³	9.690 in³
Plastic section modulus (Zx)	1,450.13 cm³	88.492 in³
Plastic section modulus (Zy)	246.59 cm³	15.048 in³
Radius of gyration (rx)	18.45 cm	7.264 in
Radius of gyration (ry)	4.33 cm	1.704 in