I 250x150x4x5 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 250x150x4x5 (México) · Doble T I 250x150x4x5 (Argentina / LATAM) · UB 250 (UK / Australia)

The I 250x150x4x5 steel profile weighs 19.3 kg/m (12.98 lb/ft), has a depth of 250 mm (9.84 in), flange width 150 mm (5.91 in). Cross-sectional area: 2,460 mm². Moment of inertia Ix = 2,712.05 cm⁴, Iy = 281.378 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	250 mm	9.84 in
Width (b)	150 mm	5.91 in
Web thickness (tw)	4 mm	0.16 in
Flange thickness (tf)	5 mm	0.20 in
Weight	19.3 kg/m	12.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,460 mm²	3.813 in²
Moment of inertia (Ix)	2,712.05 cm⁴	65.16 in⁴
Moment of inertia (Iy)	281.38 cm⁴	6.76 in⁴
Elastic section modulus (Sx)	216.96 cm³	13.240 in³
Elastic section modulus (Sy)	37.52 cm³	2.289 in³
Plastic section modulus (Zx)	241.35 cm³	14.728 in³
Plastic section modulus (Zy)	57.21 cm³	3.491 in³
Radius of gyration (rx)	10.5 cm	4.134 in
Radius of gyration (ry)	3.38 cm	1.332 in