W 800 x 209,9 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 800 x 209,9 (México) · Doble T 800 x 209,9 (Argentina / LATAM) · UB 800 (UK / Australia)

The W 800 x 209,9 steel profile weighs 209.9 kg/m (141.06 lb/ft), has a depth of 800 mm (31.50 in), flange width 300 mm (11.81 in). Cross-sectional area: 26,744.991 mm². Moment of inertia Ix = 291,656.751 cm⁴, Iy = 11,730.782 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	800 mm	31.50 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	14 mm	0.55 in
Flange thickness (tf)	26 mm	1.02 in
Fillet radius (r)	28 mm	1.10 in
Weight	209.9 kg/m	141.06 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	26,744.99 mm²	41.455 in²
Moment of inertia (Ix)	291,656.75 cm⁴	7007.05 in⁴
Moment of inertia (Iy)	11,730.78 cm⁴	281.83 in⁴
Elastic section modulus (Sx)	7,291.42 cm³	444.952 in³
Elastic section modulus (Sy)	782.05 cm³	47.724 in³
Plastic section modulus (Zx)	8,242.95 cm³	503.018 in³
Plastic section modulus (Zy)	1,215.57 cm³	74.179 in³
Radius of gyration (rx)	33.02 cm	13.001 in
Radius of gyration (ry)	6.62 cm	2.607 in