I 450x200x5x8 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 450x200x5x8 (México) · Doble T I 450x200x5x8 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x200x5x8 steel profile weighs 42.1 kg/m (28.32 lb/ft), has a depth of 450 mm (17.72 in), flange width 200 mm (7.87 in). Cross-sectional area: 5,370 mm². Moment of inertia Ix = 19,036.931 cm⁴, Iy = 1,067.119 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	200 mm	7.87 in
Web thickness (tw)	5 mm	0.20 in
Flange thickness (tf)	8 mm	0.31 in
Weight	42.1 kg/m	28.32 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,370 mm²	8.323 in²
Moment of inertia (Ix)	19,036.93 cm⁴	457.36 in⁴
Moment of inertia (Iy)	1,067.12 cm⁴	25.64 in⁴
Elastic section modulus (Sx)	846.09 cm³	51.632 in³
Elastic section modulus (Sy)	106.71 cm³	6.512 in³
Plastic section modulus (Zx)	942.65 cm³	57.524 in³
Plastic section modulus (Zy)	162.71 cm³	9.929 in³
Radius of gyration (rx)	18.83 cm	7.413 in
Radius of gyration (ry)	4.46 cm	1.755 in