Steel Beam Sizes / AISC / HSS Rectangular / HSS 9x3x3/8

HSS 9x3x3/8 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 9x3x3/8 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 27.48 lb/ft 40.80 kg/m
Height 9.00 in 229.00 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 7.58 in² 4,890.00 mm²
Ix 66.30 in⁴ 27,600,000 mm⁴
Iy 11.20 in⁴ 4,660,000 mm⁴
Sx 14.70 in³ 241,000.00 mm³
Sy 7.45 in³ 122,000.00 mm³
Zx 19.70 in³ 323,000.00 mm³
Zy 8.80 in³ 144,000.00 mm³
rx 2.96 in 75.20 mm
ry 1.21 in 30.70 mm
J 33.10 in⁴ 13,800,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 9x3x3/8.

Lighter in Rectangular HSS

HSS 12x10x3/16

Weight
27.3 lb/ft (-0.7%)
Depth
12.00 in (+33%)
Ix
165.0 in⁴ (+149%)

Heavier in Rectangular HSS

HSS 10x4x5/16

Weight
27.6 lb/ft (+0.4%)
Depth
10.00 in (+11%)
Ix
90.1 in⁴ (+36%)

Closest Iₓ in Rectangular HSS

HSS 9x5x1/4

Weight
22.4 lb/ft (-18%)
Depth
9.00 in (0.0%)
Ix
66.1 in⁴ (-0.3%)
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Source: AISC Shapes Database v16.0 · Methodology