I 1238x260x12.7x19.1 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 1238x260x12.7x19.1 (México) · Doble T I 1238x260x12.7x19.1 (Argentina / LATAM) · UB 1238 (UK / Australia)

The I 1238x260x12.7x19.1 steel profile weighs 197.6 kg/m (132.77 lb/ft), has a depth of 1238 mm (48.74 in), flange width 260 mm (10.24 in). Cross-sectional area: 25,169.46 mm². Moment of inertia Ix = 551,722.353 cm⁴, Iy = 5,615.507 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1238 mm	48.74 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	197.6 kg/m	132.77 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	25,169.46 mm²	39.013 in²
Moment of inertia (Ix)	551,722.35 cm⁴	13255.13 in⁴
Moment of inertia (Iy)	5,615.51 cm⁴	134.91 in⁴
Elastic section modulus (Sx)	8,913.12 cm³	543.914 in³
Elastic section modulus (Sy)	431.96 cm³	26.360 in³
Plastic section modulus (Zx)	10,623.53 cm³	648.291 in³
Plastic section modulus (Zy)	693.96 cm³	42.348 in³
Radius of gyration (rx)	46.82 cm	18.433 in
Radius of gyration (ry)	4.72 cm	1.860 in