I 788x260x12.7x19.1 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 788x260x12.7x19.1 (México) · Doble T I 788x260x12.7x19.1 (Argentina / LATAM) · UB 788 (UK / Australia)

The I 788x260x12.7x19.1 steel profile weighs 152.8 kg/m (102.65 lb/ft), has a depth of 788 mm (31.02 in), flange width 260 mm (10.24 in). Cross-sectional area: 19,454.46 mm². Moment of inertia Ix = 191,439.673 cm⁴, Iy = 5,607.826 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	788 mm	31.02 in
Width (b)	260 mm	10.24 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	19.1 mm	0.75 in
Weight	152.8 kg/m	102.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,454.46 mm²	30.154 in²
Moment of inertia (Ix)	191,439.67 cm⁴	4599.34 in⁴
Moment of inertia (Iy)	5,607.83 cm⁴	134.73 in⁴
Elastic section modulus (Sx)	4,858.87 cm³	296.508 in³
Elastic section modulus (Sy)	431.37 cm³	26.324 in³
Plastic section modulus (Zx)	5,603.34 cm³	341.938 in³
Plastic section modulus (Zy)	675.81 cm³	41.241 in³
Radius of gyration (rx)	31.37 cm	12.350 in
Radius of gyration (ry)	5.37 cm	2.114 in