W 855 x 299,3 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 855 x 299,3 (México) · Doble T 855 x 299,3 (Argentina / LATAM) · UB 855 (UK / Australia)

The W 855 x 299,3 steel profile weighs 299.3 kg/m (201.14 lb/ft), has a depth of 855 mm (33.66 in), flange width 400 mm (15.75 in). Cross-sectional area: 37,858.12 mm². Moment of inertia Ix = 475,089.69 cm⁴, Iy = 31,186.686 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	855 mm	33.66 in
Width (b)	400 mm	15.75 in
Web thickness (tw)	18.2 mm	0.72 in
Flange thickness (tf)	29.2 mm	1.15 in
Weight	299.3 kg/m	201.14 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	37,858.12 mm²	58.680 in²
Moment of inertia (Ix)	475,089.69 cm⁴	11414.03 in⁴
Moment of inertia (Iy)	31,186.69 cm⁴	749.26 in⁴
Elastic section modulus (Sx)	11,113.21 cm³	678.172 in³
Elastic section modulus (Sy)	1,559.33 cm³	95.157 in³
Plastic section modulus (Zx)	12,532.64 cm³	764.792 in³
Plastic section modulus (Zy)	2,401.97 cm³	146.578 in³
Radius of gyration (rx)	35.42 cm	13.947 in
Radius of gyration (ry)	9.08 cm	3.573 in