UB 914 x 419 x 388

914 x 419 x 388 UB · British I beams for bending · BS 4-1:2005

UB 914 x 419 x 388 is one of the Universal beams (UB) of the British library (british i beams for bending): 921 mm deep and 420.5 mm wide, web 21.4 mm, flanges 36.6 mm, 388 kg/m, area 494.2 cm².

hbtftw
Cross-section to scale
DimensionValueDescription
h921 mmOverall depth
b420.5 mmOverall width (flange width, or leg length)
tw21.4 mmWeb thickness
tf36.6 mmFlange thickness
r124.1 mmRoot radius (fillet between flange and web), or external corner radius for hollow sections
hi847.8 mmInternal depth between flanges
d799.6 mmDepth of the straight portion of the web between fillets
ss122.8 mmStiff bearing length
G388 kg/mMass per metre
A494.2 cm²Cross-sectional area
AL3.44 m²/mPainting surface per metre
AG8.866 m²/tPainting surface per tonne

Section properties

The structural properties of UB 914 x 419 x 388 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 914 x 419 x 388, 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 914 x 419 x 388 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.