Steel Beam Sizes / AISC / W-Shapes / W12 / W12x87

W12x87 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

W12x87 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 87.00 lb/ft 129.00 kg/m
Depth, d 12.50 in 318.00 mm
Flange width, bf 12.10 in 307.00 mm
tw 0.515 in 13.100 mm
tf 0.810 in 20.600 mm
Area 25.60 in² 16,500.00 mm²
Ix 740.00 in⁴ 308,000,000 mm⁴
Iy 241.00 in⁴ 100,000,000 mm⁴
Sx 118.00 in³ 1,930,000 mm³
Sy 39.70 in³ 651,000.00 mm³
Zx 132.00 in³ 2,160,000 mm³
Zy 60.40 in³ 990,000.00 mm³
rx 5.38 in 137.00 mm
ry 3.07 in 78.00 mm
J 5.10 in⁴ 2,120,000 mm⁴
Cw 8,270.00 in⁶ 2,220,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W12x87.

Browse W12 series →

Lighter in W12

W12x79

Weight
79.0 lb/ft (-9.2%)
Depth
12.40 in (-0.8%)
Ix
662.0 in⁴ (-11%)

Heavier in W12

W12x96

Weight
96.0 lb/ft (+10%)
Depth
12.70 in (+1.6%)
Ix
833.0 in⁴ (+13%)

Closest Iₓ in W12

W12x72

Weight
72.0 lb/ft (-17%)
Depth
12.30 in (-1.6%)
Ix
597.0 in⁴ (-19%)

Similar weight in W10

W10x88

Weight
88.0 lb/ft (+1.1%)
Depth
10.80 in (-14%)
Ix
534.0 in⁴ (-28%)
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Source: AISC Shapes Database v16.0 · Methodology