W 310 x 23,8 Gerdau · Weight & Dimensions

Gerdau · 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 23,8 (México) · Doble T 310 x 23,8 (Argentina / LATAM) · UB 305 (UK / Australia)

The W 310 x 23,8 steel profile weighs 23.8 kg/m (15.99 lb/ft), has a depth of 305 mm (12.01 in), flange width 101 mm (3.98 in). Cross-sectional area: 3,072.201 mm². Moment of inertia Ix = 4,345.297 cm⁴, Iy = 115.725 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	305 mm	12.01 in
Width (b)	101 mm	3.98 in
Web thickness (tw)	5.6 mm	0.22 in
Flange thickness (tf)	6.7 mm	0.26 in
Fillet radius (r)	10 mm	0.39 in
Weight	23.8 kg/m	15.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,072.2 mm²	4.762 in²
Moment of inertia (Ix)	4,345.3 cm⁴	104.40 in⁴
Moment of inertia (Iy)	115.72 cm⁴	2.78 in⁴
Elastic section modulus (Sx)	284.94 cm³	17.388 in³
Elastic section modulus (Sy)	22.92 cm³	1.398 in³
Plastic section modulus (Zx)	333.23 cm³	20.335 in³
Plastic section modulus (Zy)	36.89 cm³	2.251 in³
Radius of gyration (rx)	11.89 cm	4.682 in
Radius of gyration (ry)	1.94 cm	0.764 in