Steel Beam Sizes / AISC / HP-Shapes / HP18x135

HP18x135 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

HP18x135 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 135.00 lb/ft 202.00 kg/m
Depth, d 17.50 in 445.00 mm
Flange width, bf 17.80 in 452.00 mm
tw 0.750 in 19.100 mm
tf 0.750 in 19.100 mm
Area 39.90 in² 25,700.00 mm²
Ix 2,200.00 in⁴ 916,000,000 mm⁴
Iy 706.00 in⁴ 294,000,000 mm⁴
Sx 251.00 in³ 4,110,000 mm³
Sy 79.30 in³ 1,300,000 mm³
Zx 281.00 in³ 4,600,000 mm³
Zy 122.00 in³ 2,000,000 mm³
rx 7.43 in 189.00 mm
ry 4.21 in 107.00 mm
J 9.12 in⁴ 3,800,000 mm⁴
Cw 49,500.00 in⁶ 13,300,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HP18x135.

Heavier in HP18

HP18x157

Weight
157.0 lb/ft (+16%)
Depth
17.70 in (+1.1%)
Ix
2,570.0 in⁴ (+17%)

Closest Iₓ in HP18

HP18x181

Weight
181.0 lb/ft (+34%)
Depth
18.00 in (+2.9%)
Ix
3,020.0 in⁴ (+37%)

Similar weight in HP16

HP16x141

Weight
141.0 lb/ft (+4.4%)
Depth
16.00 in (-8.6%)
Ix
1,870.0 in⁴ (-15%)
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Source: AISC Shapes Database v16.0 · Methodology