Steel Beam Sizes / AISC / MC Channels / MC6x18
MC6x18 Dimensions, Weight and Section Properties
AISC Miscellaneous channels · v16.0
MC6x18: 6 in depth, 3.5 in flange width, 18 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
MC6x18 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 | 18.00 lb/ft | 26.80 kg/m |
| Depth, d | 6.00 in | 152.00 mm |
| Flange width, bf | 3.50 in | 88.90 mm |
| tw | 0.379 in | 9.630 mm |
| tf | 0.475 in | 12.100 mm |
| Area | 5.29 in² | 3,410.00 mm² |
| Ix | 29.70 in⁴ | 12,400,000 mm⁴ |
| Iy | 5.88 in⁴ | 2,450,000 mm⁴ |
| Sx | 9.89 in³ | 162,000.00 mm³ |
| Sy | 2.47 in³ | 40,500.00 mm³ |
| Zx | 11.70 in³ | 192,000.00 mm³ |
| Zy | 4.68 in³ | 76,700.00 mm³ |
| rx | 2.37 in | 60.20 mm |
| ry | 1.05 in | 26.70 mm |
| J | 0.38 in⁴ | 158,000.00 mm⁴ |
| Cw | 34.60 in⁶ | 9,290,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus MC6x18.
Source: AISC Shapes Database v16.0 · Methodology