I 250x100x4x5 Cintac · Weight & Dimensions

Cintac, 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 250x100x4x5 (México) · Doble T I 250x100x4x5 (Argentina / LATAM) · UB 250 (UK / Australia)

The I 250x100x4x5 steel profile weighs 15.4 kg/m (10.34 lb/ft), has a depth of 250 mm (9.84 in), flange width 100 mm (3.94 in). Cross-sectional area: 1,960 mm². Moment of inertia Ix = 1,961.633 cm⁴, Iy = 83.461 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	250 mm	9.84 in
Width (b)	100 mm	3.94 in
Web thickness (tw)	4 mm	0.16 in
Flange thickness (tf)	5 mm	0.20 in
Weight	15.4 kg/m	10.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,960 mm²	3.038 in²
Moment of inertia (Ix)	1,961.63 cm⁴	47.13 in⁴
Moment of inertia (Iy)	83.46 cm⁴	2.01 in⁴
Elastic section modulus (Sx)	156.93 cm³	9.577 in³
Elastic section modulus (Sy)	16.69 cm³	1.019 in³
Plastic section modulus (Zx)	180.1 cm³	10.990 in³
Plastic section modulus (Zy)	25.96 cm³	1.584 in³
Radius of gyration (rx)	10 cm	3.939 in
Radius of gyration (ry)	2.06 cm	0.812 in