Steel Beam Sizes / Australia / Equal Angles / 100×12 EA

100×12 EA Steel Beam Dimensions and Properties

ASNZS Equal angles · v2019.11

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

Units

Section diagram

100×12 EA 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 11.92 lb/ft 17.74 kg/m
Width 3.94 in 100.00 mm
Height 3.94 in 100.00 mm
t 0.472 in 12.000 mm
Area 3.50 in² 2,260.00 mm²
Ix 7.90 in⁴ 3,290,000 mm⁴
Iy 2.06 in⁴ 857,000.00 mm⁴
Zx 4.59 in³ 75,200.00 mm³
Zy 2.30 in³ 37,700.00 mm³
rx 1.50 in 38.15 mm
ry 0.77 in 19.47 mm
J 0.26 in⁴ 110,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 100×12 EA.

Lighter in Equal angles

125×8 EA

Weight
14.9 kg/m (-16%)
Depth
125.0 mm (+25%)
Ix
4,550,000 mm⁴ (+38%)

Heavier in Equal angles

125×10 EA

Weight
18.1 kg/m (+1.8%)
Depth
125.0 mm (+25%)
Ix
5,440,000 mm⁴ (+65%)

Closest Iₓ in Equal angles

100×10 EA

Weight
14.2 kg/m (-20%)
Depth
100.0 mm (0.0%)
Ix
2,700,000 mm⁴ (-18%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology