Steel Beam Sizes / Australia / Universal Beams / 690 UB 125

690 UB 125 Dimensions, Weight and Section Properties

ASNZS Universal beams · v2019.11

690 UB 125: 677.9 mm depth, 253 mm flange width, 125 kg/m weight. View the full dimensions and properties in imperial and metric units below.

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

Units

Section diagram

690 UB 125 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 84.00 lb/ft 125.00 kg/m
Depth, d 26.69 in 677.90 mm
Flange width, bf 9.96 in 253.00 mm
tw 0.461 in 11.700 mm
tf 0.638 in 16.200 mm
Area 24.80 in² 16,000.00 mm²
Ix 2,834.96 in⁴ 1,180,000,000 mm⁴
Iy 105.23 in⁴ 43,800,000 mm⁴
Sx 212.44 in³ 3,481,339 mm³
Sy 21.13 in³ 346,245.06 mm³
Zx 244.09 in³ 4,000,000 mm³
Zy 33.07 in³ 542,000.00 mm³
rx 10.69 in 271.57 mm
ry 2.06 in 52.32 mm
J 2.79 in⁴ 1,160,000 mm⁴
Cw 17,837.47 in⁶ 4,790,000,025,600 mm⁶

Alternatives

Useful nearby sections

Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 690 UB 125.

Lighter in Universal beams

610 UB 113

Weight
113.0 kg/m (-9.6%)
Depth
607.3 mm (-10%)
Ix
874,000,000 mm⁴ (-26%)

Heavier in Universal beams

690 UB 140

Weight
140.0 kg/m (+12%)
Depth
683.5 mm (+0.8%)
Ix
1,360,000,000 mm⁴ (+15%)

Another Iₓ option in Universal beams

610 UB 125

Weight
125.0 kg/m (0.0%)
Depth
611.9 mm (-9.7%)
Ix
986,000,000 mm⁴ (-16%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology