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. You can also purchase all our CAD data in one easy download, containing the sections as individual files and AutoCAD Design Center files or Microstation cel libraries - just click on the Shop button in the navigation above.

Section Reference Second Moment of Area Radius of Gyration Elastic Modulus Plastic Modulus Buckling Parameter Torsional Index Warping Constant Torsional Constant Area of Section
  Axis
x-x
Axis
y-y
Axis
x-x
Axis
y-y
Axis
x-x
Axis
y-y
Axis
x-x
Axis
y-y
         
  cm4 cm4 cm cm cm3 cm3 cm3 cm3 u x H
dm6
J
cm4
A
cm2
430x100x64 21900 722 16.3 2.97 1020 97.9 1220 176 0.917 22.5 0.219 63 82.1
380x100x54 15000 643 14.8 3.06 791 89.2 933 161 0.933 21.2 0.15 45.7 68.7
300x100x46 8230 568 11.9 3.13 549 81.7 641 148 0.944 17 0.0813 36.8 58
300x90x41 7220 404 11.7 2.77 481 63.1 568 114 0.934 18.4 0.0581 28.8 52.7
260x90x35 4730 353 10.3 2.82 364 56.3 425 102 0.943 17.2 0.0379 20.6 44.4
260x75x28 3620 185 10.1 2.3 278 34.4 328 62 0.932 20.5 0.0203 11.7 35.1
230x90x32 3520 334 9.27 2.86 306 55 355 98.9 0.949 15.1 0.0279 19.3 41
230x75x26 2750 181 9.17 2.35 239 34.8 278 63.2 0.945 17.3 0.0153 11.8 32.7
200x90x30 2520 314 8.16 2.88 252 53.4 291 94.5 0.952 12.9 0.0197 18.3 37.9
200x75x23 1960 170 8.11 2.39 196 33.8 227 60.6 0.956 14.7 0.0107 11.1 29.9
180x90x26 1820 277 7.4 2.89 202 47.4 232 83.5 0.95 12.8 0.0141 13.3 33.2
180x75x20 1370 146 7.27 2.38 152 28.8 176 51.8 0.945 15.3 0.00754 7.34 25.9
150x90x24 1160 253 6.18 2.89 155 44.4 179 76.9 0.937 10.8 0.0089 11.8 30.4
150x75x18 861 131 6.15 2.4 115 26.6 132 47.2 0.945 13.1 0.00467 6.1 22.8
125x65x15 483 80 5.07 2.06 77.3 18.8 89.9 33.2 0.942 11.1 0.00194 4.72 18.8
100x50x10 208 32.3 4 1.58 41.5 9.89 48.9 17.5 0.942 10 0.000491 2.53 13