Steel Beam Sizes / Europe / HP-Shapes / HP 400×122

HP 400×122 Steel Beam Dimensions and Properties

EN Bearing piles · v2026.1

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

Units

Section diagram

HP 400×122 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 81.98 lb/ft 122.00 kg/m
Depth, d 13.70 in 348.00 mm
Flange width, bf 15.35 in 390.00 mm
tw 0.551 in 14.000 mm
tf 0.551 in 14.000 mm
Area 24.18 in² 15,600.00 mm²
Ix 836.07 in⁴ 348,000,000 mm⁴
Iy 331.55 in⁴ 138,000,000 mm⁴
Sx 122.05 in³ 2,000,000 mm³
Sy 43.33 in³ 710,000.00 mm³
Zx 134.86 in³ 2,210,000 mm³
Zy 65.91 in³ 1,080,000 mm³
rx 5.87 in 149.00 mm
ry 3.71 in 94.20 mm
J 2.67 in⁴ 1,110,000 mm⁴
Cw 14,374.24 in⁶ 3,860,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HP 400×122.

Lighter in Bearing piles

HP 320×117

Weight
117.0 kg/m (-4.1%)
Depth
311.0 mm (-11%)
Ix
255,000,000 mm⁴ (-27%)

Heavier in Bearing piles

HP 305×126

Weight
126.0 kg/m (+3.3%)
Depth
312.3 mm (-10%)
Ix
274,000,000 mm⁴ (-21%)

Closest Iₓ in Bearing piles

HP 305×149

Weight
149.0 kg/m (+22%)
Depth
318.5 mm (-8.5%)
Ix
331,000,000 mm⁴ (-4.9%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology