HD 400 x 347

Wide flange columns · ASTM A6/A6M-07

HD 400 x 347 is one of the HD sections of the European library (wide flange columns): 407 mm deep and 404 mm wide, web 27.2 mm, flanges 43.7 mm, 347 kg/m, area 442 cm².

hbtftw
Cross-section to scale
DimensionValueDescription
h407 mmOverall depth
b404 mmOverall width (flange width, or leg length)
tw27.2 mmWeb thickness
tf43.7 mmFlange thickness
r115 mmRoot radius (fillet between flange and web), or external corner radius for hollow sections
hi319.6 mmInternal depth between flanges
d289.6 mmDepth of the straight portion of the web between fillets
ss132.2 mmStiff bearing length
G347 kg/mMass per metre
A442 cm²Cross-sectional area
AL2.35 m²/mPainting surface per metre
AG6.773 m²/tPainting surface per tonne

Section properties

The structural properties of HD 400 x 347 are available in the Steel Profiles app with the European library:

  • Iy, Wel,y, Wpl,y, iy
  • Avz shear area
  • Iz, Wel,z, Wpl,z, iz
  • IT and Iw
  • Maximum bolt size and flange gauges
  • EN 1993-1-1 class for S235, S355 and S460

The app also runs design checks to EN 1993-1-1 on HD 400 x 347, finds the closest sections in the AISC, British, Canadian and Australian standards and compares it side by side with any other section.

Full properties in Steel Profiles

The free app shows HD 400 x 347 with its dimensions and drawing on iPhone, iPad and Mac. The European library unlocks the complete structural properties, the design checks to Eurocode 3, the Equivalent Finder across standards and the comparison of up to three sections. Favorites, weight lists and saved sections sync through iCloud.