Steel Beam Sizes / CISC / Channels / C310×45

C310×45 Steel Beam Dimensions and Properties

CISC Channels · v12.1

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

Units

Section diagram

C310×45 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 30.00 lb/ft 45.00 kg/m
Depth, d 12.01 in 305.00 mm
Flange width, bf 3.15 in 80.00 mm
tw 0.512 in 13.000 mm
tf 0.500 in 12.700 mm
Area 8.82 in² 5,690.00 mm²
Ix 161.69 in⁴ 67,300,000 mm⁴
Iy 5.09 in⁴ 2,120,000 mm⁴
Sx 26.97 in³ 442,000.00 mm³
Sy 2.05 in³ 33,600.00 mm³
rx 4.29 in 109.00 mm
ry 0.76 in 19.30 mm
J 0.86 in⁴ 360,000.00 mm⁴
Cw 148.58 in⁶ 39,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus C310×45.

Lighter in C310

C310×37

Weight
37.0 kg/m (-17%)
Depth
305.0 mm (0.0%)
Ix
59,900,000 mm⁴ (-11%)

Closest Iₓ in C310

C310×31

Weight
31.0 kg/m (-31%)
Depth
305.0 mm (0.0%)
Ix
53,500,000 mm⁴ (-21%)

Similar weight in C250

C250×45

Weight
45.0 kg/m (0.0%)
Depth
254.0 mm (-17%)
Ix
42,800,000 mm⁴ (-36%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology