Steel Beam Sizes / AISC / Pipe / Pipe1/2STD

Pipe1/2STD 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

Pipe1/2STD 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 0.85 lb/ft 1.26 kg/m
OD 0.840 in 21.300 mm
Nominal tw 0.109 in 2.770 mm
Design tw 0.101 in 2.570 mm
Area 0.23 in² 151.00 mm²
Ix 0.02 in⁴ 6,660.00 mm⁴
Iy 0.02 in⁴ 6,670.00 mm⁴
Sx 0.04 in³ 636.00 mm³
Sy 0.04 in³ 636.00 mm³
Zx 0.06 in³ 909.00 mm³
Zy 0.06 in³ 909.00 mm³
rx 0.26 in 6.71 mm
ry 0.26 in 6.71 mm
J 0.03 in⁴ 13,300.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus Pipe1/2STD.

Heavier in Pipe sections

Pipe1/2xS

Weight
1.1 lb/ft (+28%)
Depth
— in
Ix
0.0 in⁴ (+19%)

Closest Iₓ in Pipe sections

Pipe3/4STD

Weight
1.1 lb/ft (+33%)
Depth
— in
Ix
0.0 in⁴ (+119%)
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Source: AISC Shapes Database v16.0 · Methodology