Properties - Parallel Flange Channels

Welcome to our Parallel Flange Channel properties page! Here you'll find properties for all UK Parallel Flange Channel steel sections described by the Steelwork Design Guide to BS5950-1:2000, Volume 1, Section Properties, Member Capacities, 7th Edition (also known as The Blue Book). Sort the table below according to any property and select a CAD file to download using the reference links in the left-most column.

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Section ReferenceSecond Moment of AreaRadius of GyrationElastic ModulusPlastic ModulusBuckling ParameterTorsional IndexWarping ConstantTorsional ConstantArea of Section
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 cm4cm4cmcmcm3cm3cm3cm3uxH
dm6
J
cm4
A
cm2
430x100x642190072216.32.97102097.912201760.91722.50.2196382.1
380x100x541500064314.83.0679189.29331610.93321.20.1545.768.7
300x100x46823056811.93.1354981.76411480.944170.081336.858
300x90x41722040411.72.7748163.15681140.93418.40.058128.852.7
260x90x35473035310.32.8236456.34251020.94317.20.037920.644.4
260x75x28362018510.12.327834.4328620.93220.50.020311.735.1
230x90x3235203349.272.863065535598.90.94915.10.027919.341
230x75x2627501819.172.3523934.827863.20.94517.30.015311.832.7
200x90x3025203148.162.8825253.429194.50.95212.90.019718.337.9
200x75x2319601708.112.3919633.822760.60.95614.70.010711.129.9
180x90x2618202777.42.8920247.423283.50.9512.80.014113.333.2
180x75x2013701467.272.3815228.817651.80.94515.30.007547.3425.9
150x90x2411602536.182.8915544.417976.90.93710.80.008911.830.4
150x75x188611316.152.411526.613247.20.94513.10.004676.122.8
125x65x15483805.072.0677.318.889.933.20.94211.10.001944.7218.8
100x50x1020832.341.5841.59.8948.917.50.942100.0004912.5313