I 788x225x12.7x19.1 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 788x225x12.7x19.1 (México) · Doble T I 788x225x12.7x19.1 (Argentina / LATAM) · UB 788 (UK / Australia)

The I 788x225x12.7x19.1 steel profile weighs 142.2 kg/m (95.59 lb/ft), has a depth of 788 mm (31.02 in), flange width 225 mm (8.86 in). Cross-sectional area: 18,117.46 mm². Moment of inertia Ix = 171,674.507 cm⁴, Iy = 3,638.815 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	788 mm	31.02 in
Width (b)	225 mm	8.86 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	19.1 mm	0.75 in
Weight	142.2 kg/m	95.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	18,117.46 mm²	28.082 in²
Moment of inertia (Ix)	171,674.51 cm⁴	4124.48 in⁴
Moment of inertia (Iy)	3,638.81 cm⁴	87.42 in⁴
Elastic section modulus (Sx)	4,357.22 cm³	265.895 in³
Elastic section modulus (Sy)	323.45 cm³	19.738 in³
Plastic section modulus (Zx)	5,089.33 cm³	310.571 in³
Plastic section modulus (Zy)	513.7 cm³	31.348 in³
Radius of gyration (rx)	30.78 cm	12.119 in
Radius of gyration (ry)	4.48 cm	1.764 in