I 450x450x16x28 CISC · Weight & Dimensions

CISC, 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 450x450x16x28 (México) · Doble T I 450x450x16x28 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x450x16x28 steel profile weighs 247.3 kg/m (166.19 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 31,504 mm². Moment of inertia Ix = 120,512.625 cm⁴, Iy = 42,538.449 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)	16 mm	0.63 in
Flange thickness (tf)	28 mm	1.10 in
Weight	247.3 kg/m	166.19 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	31,504 mm²	48.831 in²
Moment of inertia (Ix)	120,512.62 cm⁴	2895.32 in⁴
Moment of inertia (Iy)	42,538.45 cm⁴	1021.99 in⁴
Elastic section modulus (Sx)	5,356.12 cm³	326.852 in³
Elastic section modulus (Sy)	1,890.6 cm³	115.372 in³
Plastic section modulus (Zx)	5,938.14 cm³	362.369 in³
Plastic section modulus (Zy)	2,860.22 cm³	174.542 in³
Radius of gyration (rx)	19.56 cm	7.700 in
Radius of gyration (ry)	11.62 cm	4.575 in