W 313 x 44,5 IMCA · Weight & Dimensions

IMCA, 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 313 x 44,5 (México) · Doble T 313 x 44,5 (Argentina / LATAM) · UB 313 (UK / Australia)

The W 313 x 44,5 steel profile weighs 44.5 kg/m (29.91 lb/ft), has a depth of 313 mm (12.32 in), flange width 166 mm (6.54 in). Cross-sectional area: 5,636.36 mm². Moment of inertia Ix = 9,820.723 cm⁴, Iy = 854.565 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	313 mm	12.32 in
Width (b)	166 mm	6.54 in
Web thickness (tw)	6.6 mm	0.26 in
Flange thickness (tf)	11.2 mm	0.44 in
Weight	44.5 kg/m	29.91 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,636.36 mm²	8.736 in²
Moment of inertia (Ix)	9,820.72 cm⁴	235.94 in⁴
Moment of inertia (Iy)	854.56 cm⁴	20.53 in⁴
Elastic section modulus (Sx)	627.52 cm³	38.294 in³
Elastic section modulus (Sy)	102.96 cm³	6.283 in³
Plastic section modulus (Zx)	700.45 cm³	42.744 in³
Plastic section modulus (Zy)	157.48 cm³	9.610 in³
Radius of gyration (rx)	13.2 cm	5.197 in
Radius of gyration (ry)	3.89 cm	1.533 in