W 310 x 141,9 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 310 x 141,9 (México) · Doble T 310 x 141,9 (Argentina / LATAM) · UB 310 (UK / Australia)

The W 310 x 141,9 steel profile weighs 141.9 kg/m (95.38 lb/ft), has a depth of 310 mm (12.20 in), flange width 310 mm (12.20 in). Cross-sectional area: 18,078.124 mm². Moment of inertia Ix = 29,870.288 cm⁴, Iy = 9,954.117 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 in
Width (b)	310 mm	12.20 in
Web thickness (tw)	20 mm	0.79 in
Flange thickness (tf)	20 mm	0.79 in
Fillet radius (r)	18 mm	0.71 in
Weight	141.9 kg/m	95.38 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	18,078.12 mm²	28.021 in²
Moment of inertia (Ix)	29,870.29 cm⁴	717.63 in⁴
Moment of inertia (Iy)	9,954.12 cm⁴	239.15 in⁴
Elastic section modulus (Sx)	1,927.12 cm³	117.600 in³
Elastic section modulus (Sy)	642.2 cm³	39.190 in³
Plastic section modulus (Zx)	2,198.93 cm³	134.187 in³
Plastic section modulus (Zy)	991.9 cm³	60.530 in³
Radius of gyration (rx)	12.85 cm	5.061 in
Radius of gyration (ry)	7.42 cm	2.921 in