Steel Beam Sizes / CISC / Angles / L127×89×7.9

L127×89×7.9 Steel Beam Dimensions and Properties

CISC Angles · v12.1

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

Units

Section diagram

L127×89×7.9 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 8.70 lb/ft 12.90 kg/m
Width 3.50 in 88.90 mm
Height 5.00 in 127.00 mm
t 0.313 in 7.940 mm
Area 2.56 in² 1,650.00 mm²
Ix 6.61 in⁴ 2,750,000 mm⁴
Iy 2.71 in⁴ 1,130,000 mm⁴
Sx 1.93 in³ 31,700.00 mm³
Sy 1.02 in³ 16,700.00 mm³
rx 1.61 in 40.80 mm
ry 1.03 in 26.20 mm
J 0.08 in⁴ 34,700.00 mm⁴
Cw 0.13 in⁶ 34,400,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L127×89×7.9.

Lighter in L127

L127×76×7.9

Weight
12.1 kg/m (-5.7%)
Depth
127.0 mm (0.0%)
Ix
2,610,000 mm⁴ (-5.1%)

Heavier in L127

L127×76×9.5

Weight
14.5 kg/m (+13%)
Depth
127.0 mm (0.0%)
Ix
3,070,000 mm⁴ (+12%)

Closest Iₓ in L127

L127×127×7.9

Weight
15.3 kg/m (+18%)
Depth
127.0 mm (0.0%)
Ix
3,090,000 mm⁴ (+12%)

Similar weight in L102

L102×76×9.5

Weight
12.6 kg/m (-2.3%)
Depth
102.0 mm (-20%)
Ix
1,670,000 mm⁴ (-39%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology