I 450x450x12x16 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 450x450x12x16 (México) · Doble T I 450x450x12x16 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x450x12x16 steel profile weighs 152.4 kg/m (102.45 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 19,416 mm². Moment of inertia Ix = 75,142.343 cm⁴, Iy = 24,306.019 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	450 mm	17.72 in
Web thickness (tw)	12 mm	0.47 in
Flange thickness (tf)	16 mm	0.63 in
Weight	152.4 kg/m	102.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,416 mm²	30.095 in²
Moment of inertia (Ix)	75,142.34 cm⁴	1805.29 in⁴
Moment of inertia (Iy)	24,306.02 cm⁴	583.95 in⁴
Elastic section modulus (Sx)	3,339.66 cm³	203.799 in³
Elastic section modulus (Sy)	1,080.27 cm³	65.922 in³
Plastic section modulus (Zx)	3,648.97 cm³	222.675 in³
Plastic section modulus (Zy)	1,635.05 cm³	99.777 in³
Radius of gyration (rx)	19.67 cm	7.745 in
Radius of gyration (ry)	11.19 cm	4.405 in