I 450x100x5x6 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 450x100x5x6 (México) · Doble T I 450x100x5x6 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x100x5x6 steel profile weighs 26.6 kg/m (17.88 lb/ft), has a depth of 450 mm (17.72 in), flange width 100 mm (3.94 in). Cross-sectional area: 3,390 mm². Moment of inertia Ix = 9,415.593 cm⁴, Iy = 100.456 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	100 mm	3.94 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	6 mm	0.24 in
Weight	26.6 kg/m	17.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,390 mm²	5.255 in²
Moment of inertia (Ix)	9,415.59 cm⁴	226.21 in⁴
Moment of inertia (Iy)	100.46 cm⁴	2.41 in⁴
Elastic section modulus (Sx)	418.47 cm³	25.537 in³
Elastic section modulus (Sy)	20.09 cm³	1.226 in³
Plastic section modulus (Zx)	506.21 cm³	30.891 in³
Plastic section modulus (Zy)	32.74 cm³	1.998 in³
Radius of gyration (rx)	16.67 cm	6.561 in
Radius of gyration (ry)	1.72 cm	0.678 in