I 775x260x12.7x12.7 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 775x260x12.7x12.7 (México) · Doble T I 775x260x12.7x12.7 (Argentina / LATAM) · UB 775 (UK / Australia)

The I 775x260x12.7x12.7 steel profile weighs 126.6 kg/m (85.09 lb/ft), has a depth of 775 mm (30.51 in), flange width 260 mm (10.24 in). Cross-sectional area: 16,123.92 mm². Moment of inertia Ix = 140,525.737 cm⁴, Iy = 3,733.049 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	775 mm	30.51 in
Width (b)	260 mm	10.24 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	12.7 mm	0.50 in
Weight	126.6 kg/m	85.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,123.92 mm²	24.992 in²
Moment of inertia (Ix)	140,525.74 cm⁴	3376.13 in⁴
Moment of inertia (Iy)	3,733.05 cm⁴	89.69 in⁴
Elastic section modulus (Sx)	3,626.47 cm³	221.302 in³
Elastic section modulus (Sy)	287.16 cm³	17.524 in³
Plastic section modulus (Zx)	4,301.15 cm³	262.473 in³
Plastic section modulus (Zy)	459.49 cm³	28.040 in³
Radius of gyration (rx)	29.52 cm	11.623 in
Radius of gyration (ry)	4.81 cm	1.894 in