W 599 x 81,6 British Steel · Weight & Dimensions

British Steel, 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 599 x 81,6 (México) · Doble T 599 x 81,6 (Argentina / LATAM) · UB 598.6 (UK / Australia)

The W 599 x 81,6 steel profile weighs 81.6 kg/m (54.86 lb/ft), has a depth of 598.6 mm (23.57 in), flange width 177.9 mm (7.00 in). Cross-sectional area: 10,422.693 mm². Moment of inertia Ix = 55,869.074 cm⁴, Iy = 1,206.824 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	598.6 mm	23.57 in
Width (b)	177.9 mm	7.00 in
Web thickness (tw)	10 mm	0.39 in
Flange thickness (tf)	12.8 mm	0.50 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	81.6 kg/m	54.86 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,422.69 mm²	16.155 in²
Moment of inertia (Ix)	55,869.07 cm⁴	1342.25 in⁴
Moment of inertia (Iy)	1,206.82 cm⁴	28.99 in⁴
Elastic section modulus (Sx)	1,866.66 cm³	113.911 in³
Elastic section modulus (Sy)	135.67 cm³	8.279 in³
Plastic section modulus (Zx)	2,194.03 cm³	133.889 in³
Plastic section modulus (Zy)	217.96 cm³	13.301 in³
Radius of gyration (rx)	23.15 cm	9.115 in
Radius of gyration (ry)	3.4 cm	1.340 in