I 1864x450x9.5x31.8 IMCA · Weight & Dimensions

IMCA, welded 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: I 1864x450x9.5x31.8 (México) · Doble T I 1864x450x9.5x31.8 (Argentina / LATAM) · UB 1864 (UK / Australia)

The I 1864x450x9.5x31.8 steel profile weighs 358.9 kg/m (241.18 lb/ft), has a depth of 1864 mm (73.39 in), flange width 450 mm (17.72 in). Cross-sectional area: 45,723.8 mm². Moment of inertia Ix = 2,864,151.668 cm⁴, Iy = 48,309.113 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1864 mm	73.39 in
Width (b)	450 mm	17.72 in
Web thickness (tw)	9.5 mm	0.37 in
Flange thickness (tf)	31.8 mm	1.25 in
Weight	358.9 kg/m	241.18 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	45,723.8 mm²	70.872 in²
Moment of inertia (Ix)	2,864,151.67 cm⁴	68811.24 in⁴
Moment of inertia (Iy)	48,309.11 cm⁴	1160.63 in⁴
Elastic section modulus (Sx)	30,731.24 cm³	1875.343 in³
Elastic section modulus (Sy)	2,147.07 cm³	131.023 in³
Plastic section modulus (Zx)	33,917.2 cm³	2069.763 in³
Plastic section modulus (Zy)	3,260.37 cm³	198.961 in³
Radius of gyration (rx)	79.15 cm	31.160 in
Radius of gyration (ry)	10.28 cm	4.047 in