Steel Beam Sizes / AISC / MC Channels / MC18x58

MC18x58 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

MC18x58 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 58.00 lb/ft 86.00 kg/m
Depth, d 18.00 in 457.00 mm
Flange width, bf 4.20 in 107.00 mm
tw 0.700 in 17.800 mm
tf 0.625 in 15.900 mm
Area 17.10 in² 11,000.00 mm²
Ix 675.00 in⁴ 281,000,000 mm⁴
Iy 17.60 in⁴ 7,330,000 mm⁴
Sx 75.00 in³ 1,230,000 mm³
Sy 5.28 in³ 86,500.00 mm³
Zx 95.40 in³ 1,560,000 mm³
Zy 10.70 in³ 175,000.00 mm³
rx 6.29 in 160.00 mm
ry 1.02 in 25.90 mm
J 2.81 in⁴ 1,170,000 mm⁴
Cw 1,070.00 in⁶ 287,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus MC18x58.

Lighter in MC18

MC18x51.9

Weight
51.9 lb/ft (-11%)
Depth
18.00 in (0.0%)
Ix
627.0 in⁴ (-7.1%)

Closest Iₓ in MC18

MC18x45.8

Weight
45.8 lb/ft (-21%)
Depth
18.00 in (0.0%)
Ix
578.0 in⁴ (-14%)

Similar weight in MC13

MC13x50

Weight
50.0 lb/ft (-14%)
Depth
13.00 in (-28%)
Ix
314.0 in⁴ (-53%)
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Source: AISC Shapes Database v16.0 · Methodology