Steel Beam Sizes / AISC / HSS Rectangular / HSS 8x3x3/8

HSS 8x3x3/8 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 8x3x3/8 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 24.93 lb/ft 37.00 kg/m
Height 8.00 in 203.00 mm
Width 3.00 in 76.20 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 6.88 in² 4,440.00 mm²
Ix 48.50 in⁴ 20,200,000 mm⁴
Iy 10.00 in⁴ 4,160,000 mm⁴
Sx 12.10 in³ 198,000.00 mm³
Sy 6.63 in³ 109,000.00 mm³
Zx 16.10 in³ 264,000.00 mm³
Zy 7.88 in³ 129,000.00 mm³
rx 2.65 in 67.30 mm
ry 1.20 in 30.50 mm
J 28.50 in⁴ 11,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 8x3x3/8.

Lighter in Rectangular HSS

HSS 12x8x3/16

Weight
24.7 lb/ft (-0.8%)
Depth
12.00 in (+50%)
Ix
140.0 in⁴ (+189%)

Heavier in Rectangular HSS

HSS 5x4x1/2

Weight
25.0 lb/ft (+0.4%)
Depth
5.00 in (-38%)
Ix
21.2 in⁴ (-56%)

Closest Iₓ in Rectangular HSS

HSS 9x3x1/4

Weight
19.0 lb/ft (-24%)
Depth
9.00 in (+13%)
Ix
48.2 in⁴ (-0.6%)
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Source: AISC Shapes Database v16.0 · Methodology