Steel Beam Sizes / CISC / W-Shapes / W360×421

W360×421 Steel Beam Dimensions and Properties

CISC Wide flange · v12.1

Analyze in Beam Calculator Back to W-Shapes

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

Units

Section diagram

W360×421 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 283.00 lb/ft 421.00 kg/m
Depth, d 16.73 in 425.00 mm
Flange width, bf 16.10 in 409.00 mm
tw 1.291 in 32.800 mm
tf 2.071 in 52.600 mm
Area 83.24 in² 53,700.00 mm²
Ix 3,844.02 in⁴ 1,600,000,000 mm⁴
Iy 1,443.91 in⁴ 601,000,000 mm⁴
Sx 458.29 in³ 7,510,000 mm³
Sy 179.41 in³ 2,940,000 mm³
Zx 541.89 in³ 8,880,000 mm³
Zy 274.00 in³ 4,490,000 mm³
rx 6.77 in 172.00 mm
ry 4.17 in 106.00 mm
J 104.27 in⁴ 43,400,000 mm⁴
Cw 77,457.06 in⁶ 20,800,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W360×421.

Lighter in W360

W360×382

Weight
382.0 kg/m (-9.2%)
Depth
416.0 mm (-2.1%)
Ix
1,410,000,000 mm⁴ (-12%)

Heavier in W360

W360×463

Weight
463.0 kg/m (+9.9%)
Depth
435.0 mm (+2.4%)
Ix
1,800,000,000 mm⁴ (+13%)

Closest Iₓ in W360

W360×347

Weight
347.0 kg/m (-18%)
Depth
407.0 mm (-4.2%)
Ix
1,250,000,000 mm⁴ (-22%)

Similar weight in W310

W310×415

Weight
415.0 kg/m (-1.4%)
Depth
403.0 mm (-5.2%)
Ix
1,300,000,000 mm⁴ (-19%)
Analyze in Beam Calculator Compare in W-Shapes finder

Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology