Steel Beam Sizes / Australia / Beam Tees / 380 BT 73

380 BT 73 Steel Beam Dimensions and Properties

ASNZS Tees cut from universal beams · v2019.11

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

Units

Section diagram

380 BT 73 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 49.05 lb/ft 73.00 kg/m
Depth, d 14.80 in 376.00 mm
Flange width, bf 10.44 in 265.30 mm
tw 0.508 in 12.900 mm
tf 0.689 in 17.500 mm
Area 14.54 in² 9,380.00 mm²
Ix 317.13 in⁴ 132,000,000 mm⁴
Iy 65.59 in⁴ 27,300,000 mm⁴
Sx 29.40 in³ 481,751.82 mm³
Sy 12.56 in³ 205,804.75 mm³
Zx 53.09 in³ 870,000.00 mm³
Zy 19.83 in³ 325,000.00 mm³
rx 4.67 in 118.63 mm
ry 2.12 in 53.95 mm
J 1.92 in⁴ 798,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 380 BT 73.

Lighter in Tees cut from universal beams

345 BT 70

Weight
70.0 kg/m (-4.1%)
Depth
341.0 mm (-9.3%)
Ix
98,300,000 mm⁴ (-26%)

Heavier in Tees cut from universal beams

380 BT 86

Weight
86.0 kg/m (+18%)
Depth
380.0 mm (+1.1%)
Ix
154,000,000 mm⁴ (+17%)

Closest Iₓ in Tees cut from universal beams

380 BT 98

Weight
98.0 kg/m (+34%)
Depth
384.0 mm (+2.1%)
Ix
174,000,000 mm⁴ (+32%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology