I 450x450x12x25 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 450x450x12x25 (México) · Doble T I 450x450x12x25 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x450x12x25 steel profile weighs 214.3 kg/m (144.02 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 27,300 mm². Moment of inertia Ix = 108,118.75 cm⁴, Iy = 37,974.51 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)	25 mm	0.98 in
Weight	214.3 kg/m	144.02 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	27,300 mm²	42.315 in²
Moment of inertia (Ix)	108,118.75 cm⁴	2597.55 in⁴
Moment of inertia (Iy)	37,974.51 cm⁴	912.34 in⁴
Elastic section modulus (Sx)	4,805.28 cm³	293.237 in³
Elastic section modulus (Sy)	1,687.76 cm³	102.994 in³
Plastic section modulus (Zx)	5,261.25 cm³	321.063 in³
Plastic section modulus (Zy)	2,545.65 cm³	155.346 in³
Radius of gyration (rx)	19.9 cm	7.835 in
Radius of gyration (ry)	11.79 cm	4.643 in