Steel Beam Sizes / AISC / M-Shapes / M12x10

M12x10 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 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 10.00 lb/ft 14.90 kg/m
Depth, d 12.00 in 305.00 mm
Flange width, bf 3.25 in 82.60 mm
tw 0.149 in 3.780 mm
tf 0.180 in 4.570 mm
Area 2.95 in² 1,900.00 mm²
Ix 61.70 in⁴ 25,700,000 mm⁴
Iy 1.03 in⁴ 429,000.00 mm⁴
Sx 10.30 in³ 169,000.00 mm³
Sy 0.64 in³ 10,400.00 mm³
Zx 12.20 in³ 200,000.00 mm³
Zy 1.02 in³ 16,700.00 mm³
rx 4.57 in 116.00 mm
ry 0.59 in 15.00 mm
J 0.03 in⁴ 12,200.00 mm⁴
Cw 35.90 in⁶ 9,640,000,000 mm⁶

Alternatives

Useful nearby sections

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

Heavier in M12

M12x10.8

Weight
10.8 lb/ft (+8.0%)
Depth
12.00 in (0.0%)
Ix
66.7 in⁴ (+8.1%)

Closest Iₓ in M12

M12x11.8

Weight
11.8 lb/ft (+18%)
Depth
12.00 in (0.0%)
Ix
72.2 in⁴ (+17%)

Similar weight in M10

M10x9

Weight
9.0 lb/ft (-10%)
Depth
10.00 in (-17%)
Ix
39.0 in⁴ (-37%)
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Source: AISC Shapes Database v16.0 · Methodology