Steel Beam Sizes / AISC / MC Channels / MC8x8.5

MC8x8.5 Steel Beam Dimensions and Properties

AISC Miscellaneous channels · v16.0

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

Units

Section diagram

MC8x8.5 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 8.50 lb/ft 12.60 kg/m
Depth, d 8.00 in 203.00 mm
Flange width, bf 1.87 in 47.50 mm
tw 0.179 in 4.550 mm
tf 0.311 in 7.900 mm
Area 2.50 in² 1,610.00 mm²
Ix 23.30 in⁴ 9,700,000 mm⁴
Iy 0.62 in⁴ 260,000.00 mm⁴
Sx 5.82 in³ 95,400.00 mm³
Sy 0.43 in³ 7,060.00 mm³
Zx 6.95 in³ 114,000.00 mm³
Zy 0.88 in³ 14,300.00 mm³
rx 3.05 in 77.50 mm
ry 0.50 in 12.70 mm
J 0.06 in⁴ 24,400.00 mm⁴
Cw 8.21 in⁶ 2,200,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus MC8x8.5.

Heavier in MC8

MC8x18.7

Weight
18.7 lb/ft (+120%)
Depth
8.00 in (0.0%)
Ix
52.4 in⁴ (+125%)

Closest Iₓ in MC8

MC8x20

Weight
20.0 lb/ft (+135%)
Depth
8.00 in (0.0%)
Ix
54.4 in⁴ (+133%)

Similar weight in MC7

MC7x19.1

Weight
19.1 lb/ft (+125%)
Depth
7.00 in (-13%)
Ix
43.1 in⁴ (+85%)
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Source: AISC Shapes Database v16.0 · Methodology