UB 305 x 165 x 46

305 x 165 x 46 UB · British I beams for bending · BS 4-1:2005

UB 305 x 165 x 46 is one of the Universal beams (UB) of the British library (british i beams for bending): 306.6 mm deep and 165.7 mm wide, web 6.7 mm, flanges 11.8 mm, 46.1 kg/m, area 58.75 cm².

hbtftw
Cross-section to scale
DimensionValueDescription
h306.6 mmOverall depth
b165.7 mmOverall width (flange width, or leg length)
tw6.7 mmWeb thickness
tf11.8 mmFlange thickness
r18.9 mmRoot radius (fillet between flange and web), or external corner radius for hollow sections
hi283 mmInternal depth between flanges
d265.2 mmDepth of the straight portion of the web between fillets
ss40.73 mmStiff bearing length
G46.1 kg/mMass per metre
A58.75 cm²Cross-sectional area
AL1.247 m²/mPainting surface per metre
AG27.05 m²/tPainting surface per tonne

Section properties

The structural properties of UB 305 x 165 x 46 are available in the Steel Profiles app with the British 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 UB 305 x 165 x 46, finds the closest sections in the AISC, European, Canadian and Australian standards and compares it side by side with any other section.

Full properties in Steel Profiles

The free app shows UB 305 x 165 x 46 with its dimensions and drawing on iPhone, iPad and Mac. The British 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.