Steel Beam Sizes / AISC / MC Channels / MC13x40

MC13x40 Steel Beam Dimensions and Properties

AISC Miscellaneous channels · v16.0

Analyze in Beam Calculator Back to MC Channels

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

Units

Section diagram

MC13x40 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 40.00 lb/ft 60.00 kg/m
Depth, d 13.00 in 330.00 mm
Flange width, bf 4.19 in 106.00 mm
tw 0.560 in 14.200 mm
tf 0.610 in 15.500 mm
Area 11.70 in² 7,550.00 mm²
Ix 273.00 in⁴ 114,000,000 mm⁴
Iy 13.70 in⁴ 5,700,000 mm⁴
Sx 41.90 in³ 687,000.00 mm³
Sy 4.24 in³ 69,500.00 mm³
Zx 51.20 in³ 839,000.00 mm³
Zy 8.66 in³ 142,000.00 mm³
rx 4.82 in 122.00 mm
ry 1.08 in 27.40 mm
J 1.55 in⁴ 645,000.00 mm⁴
Cw 462.00 in⁶ 124,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus MC13x40.

Lighter in MC13

MC13x35

Weight
35.0 lb/ft (-13%)
Depth
13.00 in (0.0%)
Ix
252.0 in⁴ (-7.7%)

Heavier in MC13

MC13x50

Weight
50.0 lb/ft (+25%)
Depth
13.00 in (0.0%)
Ix
314.0 in⁴ (+15%)

Closest Iₓ in MC13

MC13x31.8

Weight
31.8 lb/ft (-21%)
Depth
13.00 in (0.0%)
Ix
239.0 in⁴ (-12%)

Similar weight in MC12

MC12x40

Weight
40.0 lb/ft (0.0%)
Depth
12.00 in (-7.7%)
Ix
234.0 in⁴ (-14%)
Analyze in Beam Calculator Compare in MC Channels finder

Source: AISC Shapes Database v16.0 · Methodology