Steel Beam Sizes / AISC / HP-Shapes / HP18x204

HP18x204 Steel Beam Dimensions and Properties

AISC Bearing piles · v16.0

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

Units

Section diagram

HP18x204 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 204.00 lb/ft 304.00 kg/m
Depth, d 18.30 in 465.00 mm
Flange width, bf 18.10 in 460.00 mm
tw 1.130 in 28.700 mm
tf 1.130 in 28.700 mm
Area 60.20 in² 38,800.00 mm²
Ix 3,480.00 in⁴ 1,450,000,000 mm⁴
Iy 1,120.00 in⁴ 466,000,000 mm⁴
Sx 380.00 in³ 6,230,000 mm³
Sy 124.00 in³ 2,030,000 mm³
Zx 433.00 in³ 7,100,000 mm³
Zy 191.00 in³ 3,130,000 mm³
rx 7.60 in 193.00 mm
ry 4.31 in 109.00 mm
J 29.50 in⁴ 12,300,000 mm⁴
Cw 82,500.00 in⁶ 22,200,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HP18x204.

Lighter in HP18

HP18x181

Weight
181.0 lb/ft (-11%)
Depth
18.00 in (-1.6%)
Ix
3,020.0 in⁴ (-13%)

Closest Iₓ in HP18

HP18x157

Weight
157.0 lb/ft (-23%)
Depth
17.70 in (-3.3%)
Ix
2,570.0 in⁴ (-26%)

Similar weight in HP16

HP16x183

Weight
183.0 lb/ft (-10%)
Depth
16.50 in (-9.8%)
Ix
2,510.0 in⁴ (-28%)
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Source: AISC Shapes Database v16.0 · Methodology