Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x16x3/8

HSS 20x16x3/8 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 20x16x3/8 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 88.73 lb/ft 132.00 kg/m
Height 20.00 in 508.00 mm
Width 16.00 in 406.00 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 24.30 in² 15,700.00 mm²
Ix 1,470.00 in⁴ 612,000,000 mm⁴
Iy 1,040.00 in⁴ 433,000,000 mm⁴
Sx 147.00 in³ 2,410,000 mm³
Sy 130.00 in³ 2,130,000 mm³
Zx 172.00 in³ 2,820,000 mm³
Zy 148.00 in³ 2,430,000 mm³
rx 7.76 in 197.00 mm
ry 6.55 in 166.00 mm
J 1,890.00 in⁴ 787,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20x16x3/8.

Lighter in Rectangular HSS

HSS 22x20x5/16

Weight
87.1 lb/ft (-1.8%)
Depth
22.00 in (+10%)
Ix
1,820.0 in⁴ (+24%)

Heavier in Rectangular HSS

HSS 16x12x1/2

Weight
89.7 lb/ft (+1.1%)
Depth
16.00 in (-20%)
Ix
904.0 in⁴ (-39%)

Closest Iₓ in Rectangular HSS

HSS 24x8x3/8

Weight
78.5 lb/ft (-12%)
Depth
24.00 in (+20%)
Ix
1,470.0 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology