Steel Beam Sizes / AISC / HSS Rectangular / HSS 18x10x1/4

HSS 18x10x1/4 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 18x10x1/4 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 46.24 lb/ft 68.80 kg/m
Height 18.00 in 457.00 mm
Width 10.00 in 254.00 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.233 in 5.920 mm
Area 12.70 in² 8,190.00 mm²
Ix 566.00 in⁴ 236,000,000 mm⁴
Iy 230.00 in⁴ 95,700,000 mm⁴
Sx 62.90 in³ 1,030,000 mm³
Sy 46.10 in³ 755,000.00 mm³
Zx 76.00 in³ 1,250,000 mm³
Zy 50.90 in³ 834,000.00 mm³
rx 6.68 in 170.00 mm
ry 4.26 in 108.00 mm
J 515.00 in⁴ 214,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 18x10x1/4.

Lighter in Rectangular HSS

HSS 12x10x5/16

Weight
44.6 lb/ft (-3.5%)
Depth
12.00 in (-33%)
Ix
264.0 in⁴ (-53%)

Heavier in Rectangular HSS

HSS 12x8x3/8

Weight
47.9 lb/ft (+3.6%)
Depth
12.00 in (-33%)
Ix
262.0 in⁴ (-54%)

Closest Iₓ in Rectangular HSS

HSS 16x6x1/2

Weight
69.3 lb/ft (+50%)
Depth
16.00 in (-11%)
Ix
567.0 in⁴ (+0.2%)
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Source: AISC Shapes Database v16.0 · Methodology