UB 127 x 76 x 13

127 x 76 x 13 UB · British I beams for bending · BS 4-1:2005

UB 127 x 76 x 13 is one of the Universal beams (UB) of the British library (british i beams for bending): 127 mm deep and 76 mm wide, web 4 mm, flanges 7.6 mm, 13 kg/m, area 16.52 cm².

hbtftw
Cross-section to scale
DimensionValueDescription
h127 mmOverall depth
b76 mmOverall width (flange width, or leg length)
tw4 mmWeb thickness
tf7.6 mmFlange thickness
r17.6 mmRoot radius (fillet between flange and web), or external corner radius for hollow sections
hi111.8 mmInternal depth between flanges
d96.6 mmDepth of the straight portion of the web between fillets
ss28.1 mmStiff bearing length
G13 kg/mMass per metre
A16.52 cm²Cross-sectional area
AL0.537 m²/mPainting surface per metre
AG41.41 m²/tPainting surface per tonne

Section properties

The structural properties of UB 127 x 76 x 13 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 127 x 76 x 13, 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 127 x 76 x 13 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.