CH 127 x 64 x 15

British tapered flange channels · BS 4-1:1993

CH 127 x 64 x 15 is one of the Channels (BS 4-1:1993) of the British library (british tapered flange channels): 127 mm deep and 63.5 mm wide, web 6.4 mm, flanges 9.2 mm, 14.9 kg/m, area 18.79 cm².

hbtftw
Cross-section to scale
DimensionValueDescription
h127 mmOverall depth
b63.5 mmOverall width (flange width, or leg length)
tw6.4 mmWeb thickness
tf9.2 mmFlange thickness
r113 mmRoot radius (fillet between flange and web), or external corner radius for hollow sections
r26.5 mmToe radius of the flange, or internal corner radius for hollow sections
d80.5 mmDepth of the straight portion of the web between fillets
x18.2 mmDistance from the back of the web (or heel) to the centroid, horizontal
xm35.7 mmDistance from the shear centre to the back of the web
ss24.2 mmStiff bearing length
G14.9 kg/mMass per metre
A18.79 cm²Cross-sectional area
AL0.48 m²/mPainting surface per metre
AG32.85 m²/tPainting surface per tonne

Section properties

The structural properties of CH 127 x 64 x 15 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 edge distances
  • EN 1993-1-1 class for S235, S355 and S460

The app also runs design checks to EN 1993-1-1 on CH 127 x 64 x 15, 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 CH 127 x 64 x 15 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.