Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x16x5/16

HSS 20x16x5/16 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 20x16x5/16 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 74.38 lb/ft 111.00 kg/m
Height 20.00 in 508.00 mm
Width 16.00 in 406.00 mm
Nominal tw 0.313 in 7.950 mm
Design tw 0.291 in 7.390 mm
Area 20.40 in² 13,200.00 mm²
Ix 1,240.00 in⁴ 516,000,000 mm⁴
Iy 882.00 in⁴ 367,000,000 mm⁴
Sx 124.00 in³ 2,030,000 mm³
Sy 110.00 in³ 1,800,000 mm³
Zx 144.00 in³ 2,360,000 mm³
Zy 124.00 in³ 2,030,000 mm³
rx 7.79 in 198.00 mm
ry 6.58 in 167.00 mm
J 1,590.00 in⁴ 662,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20x16x5/16.

Lighter in Rectangular HSS

HSS 12x10x1/2

Weight
69.3 lb/ft (-6.9%)
Depth
12.00 in (-40%)
Ix
395.0 in⁴ (-68%)

Heavier in Rectangular HSS

HSS 14x10x1/2

Weight
76.1 lb/ft (+2.3%)
Depth
14.00 in (-30%)
Ix
573.0 in⁴ (-54%)

Closest Iₓ in Rectangular HSS

HSS 22x16x1/4

Weight
63.3 lb/ft (-15%)
Depth
22.00 in (+10%)
Ix
1,250.0 in⁴ (+0.8%)
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Source: AISC Shapes Database v16.0 · Methodology