Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x16x1/2

HSS 20x16x1/2 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 20x16x1/2 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 116.91 lb/ft 174.00 kg/m
Height 20.00 in 508.00 mm
Width 16.00 in 406.00 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 32.10 in² 20,700.00 mm²
Ix 1,900.00 in⁴ 791,000,000 mm⁴
Iy 1,350.00 in⁴ 562,000,000 mm⁴
Sx 190.00 in³ 3,110,000 mm³
Sy 169.00 in³ 2,770,000 mm³
Zx 224.00 in³ 3,670,000 mm³
Zy 193.00 in³ 3,160,000 mm³
rx 7.70 in 196.00 mm
ry 6.50 in 165.00 mm
J 2,480.00 in⁴ 1,030,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20x16x1/2.

Lighter in Rectangular HSS

HSS 16x12x5/8

Weight
110.4 lb/ft (-5.6%)
Depth
16.00 in (-20%)
Ix
1,090.0 in⁴ (-43%)

Heavier in Rectangular HSS

HSS 22x16x1/2

Weight
123.7 lb/ft (+5.8%)
Depth
22.00 in (+10%)
Ix
2,380.0 in⁴ (+25%)

Closest Iₓ in Rectangular HSS

HSS 24x16x5/16

Weight
82.9 lb/ft (-29%)
Depth
24.00 in (+20%)
Ix
1,900.0 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology