Steel Beam Sizes / AISC / HSS Rectangular / HSS 8x3x1/2

HSS 8x3x1/2 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 8x3x1/2 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 31.84 lb/ft 47.20 kg/m
Height 8.00 in 203.00 mm
Width 3.00 in 76.20 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 8.81 in² 5,680.00 mm²
Ix 58.60 in⁴ 24,400,000 mm⁴
Iy 11.70 in⁴ 4,870,000 mm⁴
Sx 14.60 in³ 239,000.00 mm³
Sy 7.81 in³ 128,000.00 mm³
Zx 20.00 in³ 328,000.00 mm³
Zy 9.64 in³ 158,000.00 mm³
rx 2.58 in 65.50 mm
ry 1.15 in 29.20 mm
J 34.30 in⁴ 14,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x3x1/2.

Lighter in Rectangular HSS

HSS 10x3-1/2x3/8

Weight
31.3 lb/ft (-1.7%)
Depth
10.00 in (+25%)
Ix
96.1 in⁴ (+64%)

Heavier in Rectangular HSS

HSS 10x4x3/8

Weight
32.6 lb/ft (+2.3%)
Depth
10.00 in (+25%)
Ix
104.0 in⁴ (+77%)

Closest Iₓ in Rectangular HSS

HSS 8x4x3/8

Weight
27.5 lb/ft (-14%)
Depth
8.00 in (0.0%)
Ix
58.7 in⁴ (+0.2%)
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Source: AISC Shapes Database v16.0 · Methodology