Steel Beam Sizes / AISC / HSS Rectangular / HSS 18x6x1/4

HSS 18x6x1/4 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 18x6x1/4 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 39.43 lb/ft 58.70 kg/m
Height 18.00 in 457.00 mm
Width 6.00 in 152.00 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.233 in 5.920 mm
Area 10.80 in² 6,970.00 mm²
Ix 419.00 in⁴ 174,000,000 mm⁴
Iy 75.10 in⁴ 31,300,000 mm⁴
Sx 46.50 in³ 762,000.00 mm³
Sy 25.00 in³ 410,000.00 mm³
Zx 59.40 in³ 973,000.00 mm³
Zy 27.30 in³ 447,000.00 mm³
rx 6.22 in 158.00 mm
ry 2.63 in 66.80 mm
J 210.00 in⁴ 87,400,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 18x6x1/4.

Lighter in Rectangular HSS

HSS 10x6x3/8

Weight
37.7 lb/ft (-4.4%)
Depth
10.00 in (-44%)
Ix
137.0 in⁴ (-67%)

Heavier in Rectangular HSS

HSS 12x8x5/16

Weight
40.4 lb/ft (+2.3%)
Depth
12.00 in (-33%)
Ix
224.0 in⁴ (-47%)

Closest Iₓ in Rectangular HSS

HSS 16x10x1/4

Weight
42.8 lb/ft (+8.6%)
Depth
16.00 in (-11%)
Ix
426.0 in⁴ (+1.7%)
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Source: AISC Shapes Database v16.0 · Methodology