Steel Beam Sizes / AISC / M-Shapes / M12x10.8

M12x10.8 Steel Beam Dimensions and Properties

AISC Miscellaneous beams · v16.0

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

Units

Section diagram

M12x10.8 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 10.80 lb/ft 16.10 kg/m
Depth, d 12.00 in 305.00 mm
Flange width, bf 3.07 in 78.00 mm
tw 0.160 in 4.060 mm
tf 0.210 in 5.330 mm
Area 3.18 in² 2,050.00 mm²
Ix 66.70 in⁴ 27,800,000 mm⁴
Iy 1.01 in⁴ 420,000.00 mm⁴
Sx 11.10 in³ 182,000.00 mm³
Sy 0.66 in³ 10,800.00 mm³
Zx 13.20 in³ 216,000.00 mm³
Zy 1.07 in³ 17,500.00 mm³
rx 4.58 in 116.00 mm
ry 0.56 in 14.30 mm
J 0.04 in⁴ 16,400.00 mm⁴
Cw 35.00 in⁶ 9,400,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus M12x10.8.

Lighter in M12

M12x10

Weight
10.0 lb/ft (-7.4%)
Depth
12.00 in (0.0%)
Ix
61.7 in⁴ (-7.5%)

Heavier in M12

M12.5x11.6

Weight
11.6 lb/ft (+7.4%)
Depth
12.50 in (+4.2%)
Ix
80.3 in⁴ (+20%)

Closest Iₓ in M12

M12x11.8

Weight
11.8 lb/ft (+9.3%)
Depth
12.00 in (0.0%)
Ix
72.2 in⁴ (+8.2%)

Similar weight in M10

M10x9

Weight
9.0 lb/ft (-17%)
Depth
10.00 in (-17%)
Ix
39.0 in⁴ (-42%)
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Source: AISC Shapes Database v16.0 · Methodology