Steel Beam Sizes / AISC / W-Shapes / W12 / W12x50

W12x50 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

W12x50 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 50.00 lb/ft 74.00 kg/m
Depth, d 12.20 in 310.00 mm
Flange width, bf 8.08 in 205.00 mm
tw 0.370 in 9.400 mm
tf 0.640 in 16.300 mm
Area 14.60 in² 9,420.00 mm²
Ix 391.00 in⁴ 163,000,000 mm⁴
Iy 56.30 in⁴ 23,400,000 mm⁴
Sx 64.20 in³ 1,050,000 mm³
Sy 13.90 in³ 228,000.00 mm³
Zx 71.90 in³ 1,180,000 mm³
Zy 21.30 in³ 349,000.00 mm³
rx 5.18 in 132.00 mm
ry 1.96 in 49.80 mm
J 1.71 in⁴ 712,000.00 mm⁴
Cw 1,880.00 in⁶ 505,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W12x50.

Browse W12 series →

Lighter in W12

W12x45

Weight
45.0 lb/ft (-10%)
Depth
12.10 in (-0.8%)
Ix
348.0 in⁴ (-11%)

Heavier in W12

W12x53

Weight
53.0 lb/ft (+6.0%)
Depth
12.10 in (-0.8%)
Ix
425.0 in⁴ (+8.7%)

Closest Iₓ in W12

W12x40

Weight
40.0 lb/ft (-20%)
Depth
11.90 in (-2.5%)
Ix
307.0 in⁴ (-21%)

Similar weight in W10

W10x49

Weight
49.0 lb/ft (-2.0%)
Depth
10.00 in (-18%)
Ix
272.0 in⁴ (-30%)
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Source: AISC Shapes Database v16.0 · Methodology