I 450x450x30x60 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 450x450x30x60 (México) · Doble T I 450x450x30x60 (Argentina / LATAM) · UB 450 (UK / Australia)

The I 450x450x30x60 steel profile weighs 501.6 kg/m (337.09 lb/ft), has a depth of 450 mm (17.72 in), flange width 450 mm (17.72 in). Cross-sectional area: 63,900 mm². Moment of inertia Ix = 215,939.25 cm⁴, Iy = 91,199.25 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)	30 mm	1.18 in
Flange thickness (tf)	60 mm	2.36 in
Weight	501.6 kg/m	337.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	63,900 mm²	99.045 in²
Moment of inertia (Ix)	215,939.25 cm⁴	5187.94 in⁴
Moment of inertia (Iy)	91,199.25 cm⁴	2191.06 in⁴
Elastic section modulus (Sx)	9,597.3 cm³	585.666 in³
Elastic section modulus (Sy)	4,053.3 cm³	247.349 in³
Plastic section modulus (Zx)	11,346.75 cm³	692.424 in³
Plastic section modulus (Zy)	6,149.25 cm³	375.252 in³
Radius of gyration (rx)	18.38 cm	7.237 in
Radius of gyration (ry)	11.95 cm	4.703 in