Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x16x5/8

HSS 20x16x5/8 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 20x16x5/8 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 144.39 lb/ft 215.00 kg/m
Height 20.00 in 508.00 mm
Width 16.00 in 406.00 mm
Nominal tw 0.625 in 15.900 mm
Design tw 0.581 in 14.800 mm
Area 39.60 in² 25,500.00 mm²
Ix 2,320.00 in⁴ 966,000,000 mm⁴
Iy 1,640.00 in⁴ 683,000,000 mm⁴
Sx 232.00 in³ 3,800,000 mm³
Sy 206.00 in³ 3,380,000 mm³
Zx 275.00 in³ 4,510,000 mm³
Zy 236.00 in³ 3,870,000 mm³
rx 7.65 in 194.00 mm
ry 6.44 in 164.00 mm
J 3,040.00 in⁴ 1,270,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20x16x5/8.

Lighter in Rectangular HSS

HSS 24x20x1/2

Weight
144.1 lb/ft (-0.2%)
Depth
24.00 in (+20%)
Ix
3,450.0 in⁴ (+49%)

Heavier in Rectangular HSS

HSS 16x12x7/8

Weight
149.6 lb/ft (+3.6%)
Depth
16.00 in (-20%)
Ix
1,430.0 in⁴ (-38%)

Closest Iₓ in Rectangular HSS

HSS 22x16x1/2

Weight
123.7 lb/ft (-14%)
Depth
22.00 in (+10%)
Ix
2,380.0 in⁴ (+2.6%)
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Source: AISC Shapes Database v16.0 · Methodology