Steel Beam Sizes / AISC / HSS Rectangular / HSS 24x18x3/4

HSS 24x18x3/4 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 24x18x3/4 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 201.79 lb/ft 300.00 kg/m
Height 24.00 in 610.00 mm
Width 18.00 in 457.00 mm
Nominal tw 0.750 in 19.100 mm
Design tw 0.698 in 17.700 mm
Area 55.40 in² 35,700.00 mm²
Ix 4,580.00 in⁴ 1,910,000,000 mm⁴
Iy 2,940.00 in⁴ 1,220,000,000 mm⁴
Sx 382.00 in³ 6,260,000 mm³
Sy 327.00 in³ 5,360,000 mm³
Zx 456.00 in³ 7,470,000 mm³
Zy 375.00 in³ 6,150,000 mm³
rx 9.09 in 231.00 mm
ry 7.29 in 185.00 mm
J 5,690.00 in⁴ 2,370,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 24x18x3/4.

Lighter in Rectangular HSS

HSS 24x12x7/8

Weight
197.2 lb/ft (-2.3%)
Depth
24.00 in (0.0%)
Ix
3,910.0 in⁴ (-15%)

Heavier in Rectangular HSS

HSS 24x20x3/4

Weight
212.0 lb/ft (+5.1%)
Depth
24.00 in (0.0%)
Ix
4,960.0 in⁴ (+8.3%)

Closest Iₓ in Rectangular HSS

HSS 30x10x5/8

Weight
161.4 lb/ft (-20%)
Depth
30.00 in (+25%)
Ix
4,640.0 in⁴ (+1.3%)
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Source: AISC Shapes Database v16.0 · Methodology