I 450x300x8x22 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 450x300x8x22 (México) · Doble T I 450x300x8x22 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x300x8x22 steel profile weighs 129.1 kg/m (86.78 lb/ft), has a depth of 450 mm (17.72 in), flange width 300 mm (11.81 in). Cross-sectional area: 16,448 mm². Moment of inertia Ix = 64,965.521 cm⁴, Iy = 9,901.732 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	300 mm	11.81 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	22 mm	0.87 in
Weight	129.1 kg/m	86.78 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	16,448 mm²	25.494 in²
Moment of inertia (Ix)	64,965.52 cm⁴	1560.80 in⁴
Moment of inertia (Iy)	9,901.73 cm⁴	237.89 in⁴
Elastic section modulus (Sx)	2,887.36 cm³	176.198 in³
Elastic section modulus (Sy)	660.12 cm³	40.283 in³
Plastic section modulus (Zx)	3,154.47 cm³	192.498 in³
Plastic section modulus (Zy)	996.5 cm³	60.810 in³
Radius of gyration (rx)	19.87 cm	7.824 in
Radius of gyration (ry)	7.76 cm	3.055 in