Steel Beam Sizes / AISC / W-Shapes / W18 / W18x35

W18x35 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

Analyze in Beam Calculator Back to W-Shapes All W18

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

Units

Section diagram

W18x35 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 35.00 lb/ft 52.00 kg/m
Depth, d 17.70 in 450.00 mm
Flange width, bf 6.00 in 152.00 mm
tw 0.300 in 7.620 mm
tf 0.425 in 10.800 mm
Area 10.30 in² 6,650.00 mm²
Ix 510.00 in⁴ 212,000,000 mm⁴
Iy 15.30 in⁴ 6,370,000 mm⁴
Sx 57.60 in³ 944,000.00 mm³
Sy 5.12 in³ 83,900.00 mm³
Zx 66.50 in³ 1,090,000 mm³
Zy 8.06 in³ 132,000.00 mm³
rx 7.04 in 179.00 mm
ry 1.22 in 31.00 mm
J 0.51 in⁴ 211,000.00 mm⁴
Cw 1,140.00 in⁶ 306,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W18x35.

Browse W18 series →

Heavier in W18

W18x40

Weight
40.0 lb/ft (+14%)
Depth
17.90 in (+1.1%)
Ix
612.0 in⁴ (+20%)

Closest Iₓ in W18

W18x46

Weight
46.0 lb/ft (+31%)
Depth
18.10 in (+2.3%)
Ix
712.0 in⁴ (+40%)

Similar weight in W16

W16x36

Weight
36.0 lb/ft (+2.9%)
Depth
15.90 in (-10%)
Ix
448.0 in⁴ (-12%)
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Source: AISC Shapes Database v16.0 · Methodology