Steel Beam Sizes / AISC / HSS Rectangular / HSS 8x4x3/16

HSS 8x4x3/16 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 8x4x3/16 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 14.53 lb/ft 21.60 kg/m
Height 8.00 in 203.00 mm
Width 4.00 in 102.00 mm
Nominal tw 0.188 in 4.760 mm
Design tw 0.174 in 4.420 mm
Area 3.98 in² 2,570.00 mm²
Ix 33.10 in⁴ 13,800,000 mm⁴
Iy 11.30 in⁴ 4,700,000 mm⁴
Sx 8.27 in³ 136,000.00 mm³
Sy 5.65 in³ 92,600.00 mm³
Zx 10.20 in³ 167,000.00 mm³
Zy 6.33 in³ 104,000.00 mm³
rx 2.88 in 73.20 mm
ry 1.69 in 42.90 mm
J 27.20 in⁴ 11,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x4x3/16.

Lighter in Rectangular HSS

HSS 5x4x1/4

Weight
13.9 lb/ft (-4.3%)
Depth
5.00 in (-38%)
Ix
13.4 in⁴ (-60%)

Heavier in Rectangular HSS

HSS 4x3x3/8

Weight
14.7 lb/ft (+1.3%)
Depth
4.00 in (-50%)
Ix
7.9 in⁴ (-76%)

Closest Iₓ in Rectangular HSS

HSS 8x2x5/16

Weight
19.1 lb/ft (+31%)
Depth
8.00 in (0.0%)
Ix
33.7 in⁴ (+1.8%)
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Source: AISC Shapes Database v16.0 · Methodology