Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x4x1/4

HSS 20x4x1/4 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 20x4x1/4 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 39.43 lb/ft 58.70 kg/m
Height 20.00 in 508.00 mm
Width 4.00 in 102.00 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.233 in 5.920 mm
Area 10.80 in² 6,970.00 mm²
Ix 458.00 in⁴ 191,000,000 mm⁴
Iy 34.30 in⁴ 14,300,000 mm⁴
Sx 45.80 in³ 751,000.00 mm³
Sy 17.10 in³ 280,000.00 mm³
Zx 61.50 in³ 1,010,000 mm³
Zy 18.70 in³ 306,000.00 mm³
rx 6.50 in 165.00 mm
ry 1.78 in 45.20 mm
J 111.00 in⁴ 46,200,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 20x4x1/4.

Lighter in Rectangular HSS

HSS 10x6x3/8

Weight
37.7 lb/ft (-4.4%)
Depth
10.00 in (-50%)
Ix
137.0 in⁴ (-70%)

Heavier in Rectangular HSS

HSS 12x8x5/16

Weight
40.4 lb/ft (+2.3%)
Depth
12.00 in (-40%)
Ix
224.0 in⁴ (-51%)

Closest Iₓ in Rectangular HSS

HSS 16x4x1/2

Weight
62.5 lb/ft (+58%)
Depth
16.00 in (-20%)
Ix
455.0 in⁴ (-0.7%)
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Source: AISC Shapes Database v16.0 · Methodology