Steel Beam Sizes / AISC / HSS Rectangular / HSS 16x8x5/16

HSS 16x8x5/16 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 16x8x5/16 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 48.86 lb/ft 72.70 kg/m
Height 16.00 in 406.00 mm
Width 8.00 in 203.00 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 13.40 in² 8,650.00 mm²
Ix 451.00 in⁴ 188,000,000 mm⁴
Iy 155.00 in⁴ 64,500,000 mm⁴
Sx 56.40 in³ 924,000.00 mm³
Sy 38.70 in³ 634,000.00 mm³
Zx 69.40 in³ 1,140,000 mm³
Zy 43.00 in³ 705,000.00 mm³
rx 5.80 in 147.00 mm
ry 3.40 in 86.40 mm
J 369.00 in⁴ 154,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 16x8x5/16.

Lighter in Rectangular HSS

HSS 10x6x1/2

Weight
48.9 lb/ft (0.0%)
Depth
10.00 in (-38%)
Ix
171.0 in⁴ (-62%)

Heavier in Rectangular HSS

HSS 10x4x5/8

Weight
50.8 lb/ft (+4.0%)
Depth
10.00 in (-38%)
Ix
149.0 in⁴ (-67%)

Closest Iₓ in Rectangular HSS

HSS 14x10x3/8

Weight
58.1 lb/ft (+19%)
Depth
14.00 in (-13%)
Ix
447.0 in⁴ (-0.9%)
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Source: AISC Shapes Database v16.0 · Methodology