I 1238x300x12.7x19.1 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 1238x300x12.7x19.1 (México) · Doble T I 1238x300x12.7x19.1 (Argentina / LATAM) · UB 1238 (UK / Australia)

The I 1238x300x12.7x19.1 steel profile weighs 209.6 kg/m (140.84 lb/ft), has a depth of 1238 mm (48.74 in), flange width 300 mm (11.81 in). Cross-sectional area: 26,697.46 mm². Moment of inertia Ix = 608,481.395 cm⁴, Iy = 8,615.48 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1238 mm	48.74 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	19.1 mm	0.75 in
Weight	209.6 kg/m	140.84 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	26,697.46 mm²	41.381 in²
Moment of inertia (Ix)	608,481.4 cm⁴	14618.77 in⁴
Moment of inertia (Iy)	8,615.48 cm⁴	206.99 in⁴
Elastic section modulus (Sx)	9,830.07 cm³	599.870 in³
Elastic section modulus (Sy)	574.37 cm³	35.050 in³
Plastic section modulus (Zx)	11,554.77 cm³	705.118 in³
Plastic section modulus (Zy)	907.88 cm³	55.402 in³
Radius of gyration (rx)	47.74 cm	18.796 in
Radius of gyration (ry)	5.68 cm	2.237 in