Steel Beam Sizes / AISC / HSS Rectangular / HSS 7x3x5/16

HSS 7x3x5/16 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 7x3x5/16 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 19.08 lb/ft 28.40 kg/m
Height 7.00 in 178.00 mm
Width 3.00 in 76.20 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 5.26 in² 3,390.00 mm²
Ix 29.90 in⁴ 12,400,000 mm⁴
Iy 7.74 in⁴ 3,220,000 mm⁴
Sx 8.54 in³ 140,000.00 mm³
Sy 5.16 in³ 84,600.00 mm³
Zx 11.10 in³ 182,000.00 mm³
Zy 6.05 in³ 99,100.00 mm³
rx 2.38 in 60.50 mm
ry 1.21 in 30.70 mm
J 20.90 in⁴ 8,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 7x3x5/16.

Lighter in Rectangular HSS

HSS 10x2x1/4

Weight
19.0 lb/ft (-0.3%)
Depth
10.00 in (+43%)
Ix
52.5 in⁴ (+76%)

Heavier in Rectangular HSS

HSS 10x6x3/16

Weight
19.6 lb/ft (+2.9%)
Depth
10.00 in (+43%)
Ix
74.6 in⁴ (+149%)

Closest Iₓ in Rectangular HSS

HSS 6x5x5/16

Weight
21.2 lb/ft (+11%)
Depth
6.00 in (-14%)
Ix
29.6 in⁴ (-1.0%)
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Source: AISC Shapes Database v16.0 · Methodology