Steel Beam Sizes / AISC / Pipe / Pipe12STD

Pipe12STD Steel Beam Dimensions and Properties

AISC Pipe sections · v16.0

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

Units

Section diagram

Pipe12STD 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 49.60 lb/ft 73.80 kg/m
OD 12.750 in 323.800 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 13.70 in² 8,840.00 mm²
Ix 262.00 in⁴ 109,000,000 mm⁴
Iy 262.00 in⁴ 109,000,000 mm⁴
Sx 41.00 in³ 672,000.00 mm³
Sy 41.00 in³ 672,000.00 mm³
Zx 53.70 in³ 880,000.00 mm³
Zy 53.70 in³ 880,000.00 mm³
rx 4.39 in 112.00 mm
ry 4.39 in 112.00 mm
J 523.00 in⁴ 218,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus Pipe12STD.

Lighter in Pipe sections

Pipe8xS

Weight
43.4 lb/ft (-13%)
Depth
— in
Ix
100.0 in⁴ (-62%)

Heavier in Pipe sections

Pipe6xxS

Weight
53.2 lb/ft (+7.3%)
Depth
— in
Ix
63.5 in⁴ (-76%)

Closest Iₓ in Pipe sections

Pipe10xS

Weight
54.8 lb/ft (+10%)
Depth
— in
Ix
199.0 in⁴ (-24%)
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Source: AISC Shapes Database v16.0 · Methodology