W 310 x 107,0 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 107,0 (México) · Doble T 310 x 107,0 (Argentina / LATAM) · UB 311 (UK / Australia)

The W 310 x 107,0 steel profile weighs 107.0 kg/m (71.90 lb/ft), has a depth of 311 mm (12.24 in), flange width 306 mm (12.05 in). Cross-sectional area: 13,643.052 mm². Moment of inertia Ix = 24,837.884 cm⁴, Iy = 8,123.218 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	311 mm	12.24 in
Width (b)	306 mm	12.05 in
Web thickness (tw)	10.9 mm	0.43 in
Flange thickness (tf)	17 mm	0.67 in
Fillet radius (r)	16 mm	0.63 in
Weight	107.0 kg/m	71.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	13,643.05 mm²	21.147 in²
Moment of inertia (Ix)	24,837.88 cm⁴	596.73 in⁴
Moment of inertia (Iy)	8,123.22 cm⁴	195.16 in⁴
Elastic section modulus (Sx)	1,597.29 cm³	97.473 in³
Elastic section modulus (Sy)	530.93 cm³	32.399 in³
Plastic section modulus (Zx)	1,768.12 cm³	107.898 in³
Plastic section modulus (Zy)	806.12 cm³	49.192 in³
Radius of gyration (rx)	13.49 cm	5.312 in
Radius of gyration (ry)	7.72 cm	3.038 in