Steel Beam Sizes / Australia / SHS / 100×3.8 SHS

100×3.8 SHS Steel Beam Dimensions and Properties

ASNZS Square hollow sections · v2019.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

100×3.8 SHS 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 7.44 lb/ft 11.07 kg/m
Height 3.94 in 100.00 mm
Width 3.94 in 100.00 mm
t 0.150 in 3.800 mm
Area 2.19 in² 1,410.00 mm²
Ix 5.14 in⁴ 2,140,000 mm⁴
Iy 5.14 in⁴ 2,140,000 mm⁴
Sx 2.61 in³ 42,800.00 mm³
Sy 2.61 in³ 42,800.00 mm³
Zx 3.07 in³ 50,300.00 mm³
Zy 3.07 in³ 50,300.00 mm³
rx 1.53 in 38.96 mm
ry 1.53 in 38.96 mm
J 8.34 in⁴ 3,470,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 100×3.8 SHS.

Lighter in Square hollow sections

75×5.0 SHS

Weight
10.3 kg/m (-7.1%)
Depth
75.0 mm (-25%)
Ix
1,030,000 mm⁴ (-52%)

Heavier in Square hollow sections

100×4.0 SHS

Weight
11.6 kg/m (+5.0%)
Depth
100.0 mm (0.0%)
Ix
2,230,000 mm⁴ (+4.2%)

Closest Iₓ in Square hollow sections

89×6.0 SHS

Weight
14.7 kg/m (+33%)
Depth
89.0 mm (-11%)
Ix
2,060,000 mm⁴ (-3.7%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology