Steel Beam Sizes / AISC / W-Shapes / W12 / W12x30

W12x30 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

Analyze in Beam Calculator Back to W-Shapes All W12

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

Units

Section diagram

W12x30 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 30.00 lb/ft 44.50 kg/m
Depth, d 12.30 in 312.00 mm
Flange width, bf 6.52 in 166.00 mm
tw 0.260 in 6.600 mm
tf 0.440 in 11.200 mm
Area 8.79 in² 5,670.00 mm²
Ix 238.00 in⁴ 99,100,000 mm⁴
Iy 20.30 in⁴ 8,450,000 mm⁴
Sx 38.60 in³ 633,000.00 mm³
Sy 6.24 in³ 102,000.00 mm³
Zx 43.10 in³ 706,000.00 mm³
Zy 9.56 in³ 157,000.00 mm³
rx 5.21 in 132.00 mm
ry 1.52 in 38.60 mm
J 0.46 in⁴ 190,000.00 mm⁴
Cw 720.00 in⁶ 193,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W12x30.

Browse W12 series →

Lighter in W12

W12x26

Weight
26.0 lb/ft (-13%)
Depth
12.20 in (-0.8%)
Ix
204.0 in⁴ (-14%)

Heavier in W12

W12x35

Weight
35.0 lb/ft (+17%)
Depth
12.50 in (+1.6%)
Ix
285.0 in⁴ (+20%)

Closest Iₓ in W12

W12x40

Weight
40.0 lb/ft (+33%)
Depth
11.90 in (-3.3%)
Ix
307.0 in⁴ (+29%)

Similar weight in W14

W14x30

Weight
30.0 lb/ft (0.0%)
Depth
13.80 in (+12%)
Ix
291.0 in⁴ (+22%)
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Source: AISC Shapes Database v16.0 · Methodology