I 450x250x8x16 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 450x250x8x16 (México) · Doble T I 450x250x8x16 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x250x8x16 steel profile weighs 89.0 kg/m (59.82 lb/ft), has a depth of 450 mm (17.72 in), flange width 250 mm (9.84 in). Cross-sectional area: 11,344 mm². Moment of inertia Ix = 42,557.242 cm⁴, Iy = 4,168.45 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	250 mm	9.84 in
Web thickness (tw)	8 mm	0.31 in
Flange thickness (tf)	16 mm	0.63 in
Weight	89.0 kg/m	59.82 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,344 mm²	17.583 in²
Moment of inertia (Ix)	42,557.24 cm⁴	1022.44 in⁴
Moment of inertia (Iy)	4,168.45 cm⁴	100.15 in⁴
Elastic section modulus (Sx)	1,891.43 cm³	115.423 in³
Elastic section modulus (Sy)	333.48 cm³	20.350 in³
Plastic section modulus (Zx)	2,085.45 cm³	127.262 in³
Plastic section modulus (Zy)	506.69 cm³	30.920 in³
Radius of gyration (rx)	19.37 cm	7.626 in
Radius of gyration (ry)	6.06 cm	2.387 in