Parallel Flange Channels

Associated Standard: BS EN 10025-2:2004

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Serial
size
Serial
size
Mass per metre
kg/m
Depth of 
section D mm
Width of 
section B mm
Thickness of
web t mm
Thickness of 
flange T mm
Distance
of Cy cm
Root radius
r mm
Depth between 
fillets d mm
Ratios for local 
buckling Flange B/2T
Ratios for local 
buckling Web d/t
Second moment of 
area Axis x-x cm4
Second moment of 
area Axis y-y cm4
Radius of gyration
Axis x-x cm
Radius of gyration
Axis y-y cm
Elastic modulus
Axis x-x cm3
Elastic modulus
Axis y-y cm3
Plastic modulus
Axis x-x cm3
Plastic modulus
Axis y-y cm3
Buckling 
parameter u
Torsional 
index x
Warping 
constant H dm6
Torsional
constant J cm4
Area of section
cm2
Indicative values for
S355 Steel Mcx kNm
Indicative values for S355 Steel
Pcy* for L e =3.5m kN
Serial
size
Mass per metre
kg/m
Depth of 
section h mm
Width of 
section b mm
Thickness of
web s mm
Thickness of 
flange t mm
Distance
of Cy cm
Root radius
r mm
Depth between 
fillets d mm
Ratios for local 
buckling Flange b/t
Ratios for local 
buckling Web d/s
Second moment of 
area Axis x-x cm4
Second moment of 
area Axis y-y cm4
Radius of gyration
Axis x-x cm
Radius of gyration
Axis y-y cm
Elastic modulus
Axis x-x cm3
Elastic modulus
Axis y-y cm3
Plastic modulus
Axis x-x cm3
Plastic modulus
Axis y-y cm3
Buckling 
parameter u
Torsional 
index x
Warping 
constant H dm6
Torsional
constant J cm4
Area of section
cm2
Indicative values for
S355 Steel Mcx kNm
Indicative values for S355 Steel
Pcy* for L e =3.5mkN
Serial
size
Mass per metre
kg/m
Depth of 
section D mm
Width of 
section B mm
Thickness of
web t mm
Thickness of 
flange T mm
Distance
of Cy cm
Root radius
r mm
Depth between 
fillets d mm
Ratios for local 
buckling Flange B/2T
Ratios for local 
buckling Web d/t
Second moment of 
area Axis x-x cm4
Second moment of 
area Axis y-y cm4
Radius of gyration
Axis x-x cm
Radius of gyration
Axis y-y cm
Elastic modulus
Axis x-x cm3
Elastic modulus
Axis y-y cm3
Plastic modulus
Axis x-x cm3
Plastic modulus
Axis y-y cm3
Buckling 
parameter u
Torsional 
index x
Warping 
constant H dm6
Torsional
constant J cm4
Area of section
cm2
Indicative values for
S355 Steel Mcx kNm
Indicative values for S355 Steel
Pcy* for L e =3.5m kN
100x50x1010.21005058.51.739655.881320832.341.5841.59.948.917.60.942100.00052.531317.446.7
125x65x1514.8125655.59.52.2512826.8414.9483805.072.0677.318.889.933.50.94211.10.00194.7218.831.9110
150x75x1817.9150755.5102.58121067.519.38611316.152.411526.613247.30.94613.10.00476.122.846.9174
150x90x2423.9150906.5123.3121027.515.711622536.182.8915544.4179770.93610.80.008911.830.463.5317
180x75x2020.318075610.52.41121357.1422.513701467.272.3815228.8176520.94615.30.00757.3425.962.5195
180x90x2626.1180906.512.53.17121317.220.218172777.42.8920247.423283.50.94912.80.014113.333.282.4347
200x75x2323.420075612.52.4812151625.219631708.112.3919633.822760.80.95614.80.010711.129.980.6227
200x90x3029.7200907143.12121486.4321.125233148.162.8825253.429194.60.95412.90.019718.337.9103394
230x75x2625.7230756.512.52.312181627.827481819.172.3523934.827863.20.94717.30.015311.832.798.7241
230x90x3232.2230907.5142.92121786.4323.735183349.272.863065535599.20.9515.10.027919.341126421
260x75x2827.6260757122.1122126.2530.3361918510.12.327834.4328620.93220.50.020311.735.1116249
260x90x3534.8260908142.74122086.4326472835310.32.8236456.34251020.94217.20.037920.644.4151445
300x90x4141.430090915.52.6122455.8127.2721840411.72.7748163.15681140.93418.40.058128.852.7202513
300x100x4645.5300100916.53.05152376.0626.3822956811.93.1354981.76411480.944170.081336.858221681
380x100x54543801009.517.52.79153155.7133.21503464314.83.0679189.29331610.93221.20.1545.768.7322779
430x100x6464.443010011192.62153625.2632.92193972216.32.97102097.912221760.91722.50.2196382.1422888
100x50x10
125x65x15
150x75x18
150x90x24
180x75x20
180x90x26
200x75x23
200x90x30
230x75x26
230x90x32
260x75x28
260x90x35
300x90x41
300x100x46
380x100x54
430x100x64
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