I 450x300x8x14 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 450x300x8x14 (México) · Doble T I 450x300x8x14 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x300x8x14 steel profile weighs 92.5 kg/m (62.14 lb/ft), has a depth of 450 mm (17.72 in), flange width 300 mm (11.81 in). Cross-sectional area: 11,776 mm². Moment of inertia Ix = 44,943.977 cm⁴, Iy = 6,301.801 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)	14 mm	0.55 in
Weight	92.5 kg/m	62.14 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,776 mm²	18.253 in²
Moment of inertia (Ix)	44,943.98 cm⁴	1079.78 in⁴
Moment of inertia (Iy)	6,301.8 cm⁴	151.40 in⁴
Elastic section modulus (Sx)	1,997.51 cm³	121.896 in³
Elastic section modulus (Sy)	420.12 cm³	25.637 in³
Plastic section modulus (Zx)	2,187.37 cm³	133.482 in³
Plastic section modulus (Zy)	636.75 cm³	38.857 in³
Radius of gyration (rx)	19.54 cm	7.691 in
Radius of gyration (ry)	7.32 cm	2.880 in