W 588 x 151,1 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 588 x 151,1 (México) · Doble T 588 x 151,1 (Argentina / LATAM) · UB 588 (UK / Australia)

The W 588 x 151,1 steel profile weighs 151.1 kg/m (101.55 lb/ft), has a depth of 588 mm (23.15 in), flange width 300 mm (11.81 in). Cross-sectional area: 19,248.991 mm². Moment of inertia Ix = 118,110.238 cm⁴, Iy = 9,019.852 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	588 mm	23.15 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	12 mm	0.47 in
Flange thickness (tf)	20 mm	0.79 in
Fillet radius (r)	28 mm	1.10 in
Weight	151.1 kg/m	101.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,248.99 mm²	29.836 in²
Moment of inertia (Ix)	118,110.24 cm⁴	2837.60 in⁴
Moment of inertia (Iy)	9,019.85 cm⁴	216.70 in⁴
Elastic section modulus (Sx)	4,017.36 cm³	245.155 in³
Elastic section modulus (Sy)	601.32 cm³	36.695 in³
Plastic section modulus (Zx)	4,489.1 cm³	273.943 in³
Plastic section modulus (Zy)	927.98 cm³	56.629 in³
Radius of gyration (rx)	24.77 cm	9.752 in
Radius of gyration (ry)	6.85 cm	2.695 in