Steel Beam Sizes / AISC / HSS Rectangular / HSS 24x18x1/2

HSS 24x18x1/2 Steel Beam Dimensions and Properties

AISC Rectangular HSS · v16.0

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

HSS 24x18x1/2 dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 137.32 lb/ft 204.00 kg/m
Height 24.00 in 610.00 mm
Width 18.00 in 457.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 37.60 in² 24,300.00 mm²
Ix 3,190.00 in⁴ 1,330,000,000 mm⁴
Iy 2,060.00 in⁴ 857,000,000 mm⁴
Sx 266.00 in³ 4,360,000 mm³
Sy 229.00 in³ 3,750,000 mm³
Zx 314.00 in³ 5,150,000 mm³
Zy 258.00 in³ 4,230,000 mm³
rx 9.21 in 234.00 mm
ry 7.39 in 188.00 mm
J 3,910.00 in⁴ 1,630,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 24x18x1/2.

Lighter in Rectangular HSS

HSS 22x18x1/2

Weight
130.5 lb/ft (-5.0%)
Depth
22.00 in (-8.3%)
Ix
2,600.0 in⁴ (-18%)

Heavier in Rectangular HSS

HSS 24x20x1/2

Weight
144.1 lb/ft (+5.0%)
Depth
24.00 in (0.0%)
Ix
3,450.0 in⁴ (+8.2%)

Closest Iₓ in Rectangular HSS

HSS 22x18x5/8

Weight
161.4 lb/ft (+18%)
Depth
22.00 in (-8.3%)
Ix
3,170.0 in⁴ (-0.6%)
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Source: AISC Shapes Database v16.0 · Methodology