Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x6x5/16

HSS 20x6x5/16 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 20x6x5/16 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 53.11 lb/ft 79.00 kg/m
Height 20.00 in 508.00 mm
Width 6.00 in 152.00 mm
Nominal tw 0.313 in 7.950 mm
Design tw 0.291 in 7.390 mm
Area 14.60 in² 9,420.00 mm²
Ix 673.00 in⁴ 280,000,000 mm⁴
Iy 101.00 in⁴ 42,000,000 mm⁴
Sx 67.30 in³ 1,100,000 mm³
Sy 33.60 in³ 551,000.00 mm³
Zx 87.10 in³ 1,430,000 mm³
Zy 36.90 in³ 605,000.00 mm³
rx 6.79 in 172.00 mm
ry 2.63 in 66.80 mm
J 293.00 in⁴ 122,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20x6x5/16.

Lighter in Rectangular HSS

HSS 22x10x1/4

Weight
53.1 lb/ft (-0.1%)
Depth
22.00 in (+10%)
Ix
923.0 in⁴ (+37%)

Heavier in Rectangular HSS

HSS 10x8x1/2

Weight
55.7 lb/ft (+4.8%)
Depth
10.00 in (-50%)
Ix
214.0 in⁴ (-68%)

Closest Iₓ in Rectangular HSS

HSS 16x6x5/8

Weight
84.8 lb/ft (+60%)
Depth
16.00 in (-20%)
Ix
677.0 in⁴ (+0.6%)
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Source: AISC Shapes Database v16.0 · Methodology