Square Tubes

Cold Formed Squares

  • Dimensions and properties to BS EN 10219
  • AVAILABLE IN GRADE S355J2H
Sectional
Size hxh mm
Designation
Thickness t mm
Mass per Metre
kg/m
Area of Section A

cm2
Ratio for
Local Buckling c/t
Second Moment
of Area I cm4
Radius of Gyration i

cm
Elastic Modulus
W el cm3
Plastic Modulus
W pl cm3
Torsional Constants
I T cm4
Torsional Constants
W t cm3
Surface Area
Per Metre m2
Surface Area
Per Tonne m2
80x80511.314.4131313.0332.939.721849.70.30326.9
80x80613.216.810.31492.9837.345.825256.60.29922.6
90x90512.816.4151933.4342.951.431664.70.34326.7
90x90615.119.2122203.394959.536874.20.33922.4
100x100411.714.9222263.8945.353.336268.10.38632.9
100x100514.418.4172713.8454.264.644181.70.38326.6
100x10061721.613.73113.7962.375.151494.10.37922.3
100x100821.427.29.53663.6773.291.16451140.36617.1
100x1001025.632.64113.5582.21057501300.357
120x120517.522.4214854.6680.995.47781220.46326.4
120x120620.726.4175624.6193.71129131410.45922.1
120x120826.433.6126774.4911313811601750.44616.9
120x1201031.840.697774.3812916213802030.43713.7
140x140520.726.4257915.4811313212601700.54326.2
140x140624.531.220.39205.4313115514801980.53922
140x140831.44014.511305.316119419002480.52616.7
140x1401038.148.61113105.218723022702910.51713.5
150x150522.328.4279825.8913115315501970.58326.2
150x150626.433.62211505.8415318018302300.57921.9
150x150833.943.215.814105.7118822623602890.56616.7
150x1501041.352.61216505.6122026928403410.55713.5
150x15012.548.76218175.4124230633223890.536
160x160523.830.42912006.2915017519002260.62326.2
160x160628.33623.714106.2517620622402640.61921.9
160x160836.546.41717406.1221826029003340.60616.6
160x1601044.456.61320506.0225631134903950.59713.4
180x18052734.43317407.1119322427202900.70326.1
180x180632.140.82720407.0622626432203400.69921.8
180x180841.552.819.525506.9428333641904320.68616.5
180x1801050.764.61530206.8433540450705150.67713.3
180x18012.560.57711.434106.6537846760506000.65610.8
200x200530.138.43724107.9324127937603620.78326
200x200635.845.630.328307.8828333044604260.77921.7
200x200846.559.22235707.7635742158205440.76616.5
200x200105772.61742507.6542550870706510.75713.3
200x20012.568.3871348607.4748659485007650.73610.7
250x250645.257.638.756709.9245452488406810.97921.6
250x250859.175.228.372309.8578676116008780.96616.3
250x2501072.792.62287109.76978221420010600.95713.2
250x25012.58811217102009.528139751730012700.93610.7
300x300871.691.234.51280011.88539912030012901.1716.4
300x3001088.4113271550011.7104012102500015701.1613.1
300x30012.5108137211830011.6122014503060018901.1410.6
Sectional
Size hxh mm
Designation
Thickness t mm
Mass per Metre
kg/m
Area of Section A

cm2
Ratio for
Local Buckling c/t
Second Moment
of Area I cm4
Radius of Gyration i

cm
Elastic Modulus
W el cm3
Plastic Modulus
W pl cm3
Torsional Constants
I T cm4
Torsional Constants
W t cm3
Surface Area
Per Metre m2
Surface Area
Per Tonne m2

Hot Finished Squares

  • Dimensions and properties to BS EN 10210: 2006
  • AVAILABLE IN GRADE S355J2H
Sectional
Size hxh mm
Designation
Thickness t mm
Mass per Metre
kg/m
Area of Section A
cm2
Ratio for
Local Buckling c/t
Second Moment
of Area I cm4
Radius of Gyration i

cm
Elastic Modulus
W el cm3
Plastic Modulus
W pl cm3
Torsional Constants
I T cm4
Torsional Constants
W t cm3
Surface Area
Per Metre m2
Surface Area
Per Tonne m2
100x100514.718.7172793.8655.966.443981.80.38726.3
100x1006.318.223.212.93363.867.180.953497.80.38421.1
100x100822.628.89.54003.7379.998.26461160.37916.8
100x1001027.434.974623.6492.41167611330.37413.7
120x120517.822.7214984.688397.67771220.46726.2
120x1206.322.228.2166034.621001209501470.46420.9
120x120827.635.2127264.5512114611601760.45916.6
120x1201033.742.998524.4614217513802060.45413.5
120x12012.540.952.16.69824.3416420716202360.44811
140x14052126.7258075.511513512501700.54726.1
140x1406.326.133.319.29845.4414116615402060.54420.8
140x140832.641.614.512005.3617120418902490.53916.5
140x140104050.91114205.2720224622702940.53413.4
140x14012.548.762.18.216505.1623629327003420.52810.8
150x150522.628.72710005.913415615501970.58726
150x1506.328.135.820.812205.8516319219102400.58420.8
150x150835.144.815.814905.7719923723502910.57916.5
150x1501043.154.91217705.6823628628303440.57413.3
150x15012.552.767.1920805.5727734233804020.56810.8
150x1501665.2836.3824305.4132441140304670.5598.55
180x1806.33443.325.621707.0724128133603550.70420.7
180x180842.754.419.52660729634941604340.69916.4
180x1801052.566.91531906.9135542450505180.69413.2
180x18012.564.482.111.437906.842151160706130.68810.7
180x1801680.21028.2545006.6450062173407240.6798.49
200x200530.438.73724507.9524528337603620.78725.9
200x2006.33848.428.730107.8930135046504440.78420.6
200x200847.760.82237107.8137143657805450.77916.4
200x2001058.874.91744707.7244753170306550.77413.2
200x20012.572.392.11353407.6153464384907780.76810.6
200x2001690.31159.563907.46639785103009270.7598.42
250x2506.347.96136.760109.9348155692407120.98420.6
250x250860.376.828.374609.86596694115008800.97916.3
250x2501074.594.92290609.777248511410010700.97413.1
250x25012.591.911717109009.6687310401720012800.96810.6
250x2501611514712.6133009.5106012802110015500.9598.31
300x300872.892.834.51310011.987510102020012901.1816.2
300x3001090.2115271600011.8107012502480015801.1713
300x30012.5112142211940011.7130015303030019001.1710.5
300x3001614117915.82390011.5159019003760023301.168.26
350x3508.893.611936.82310013.9132015203540019501.3814.8
350x35010106135322590013.9148017203990021901.3712.9
350x35012.5131167253150013.7180021104890026501.3710.4
350x3501616621118.93890013.6223026306100032601.368.21
400x400897.9125473190016159018304870023601.5816.1
400x40010122155373910015.9196022606010029001.5712.9
400x40012.5151192294780015.8239027807390035301.5710.4
400x40016191243225930015.6297034809240043601.568.17
Sectional
Size hxh mm
Designation
Thickness t mm
Mass per Metre
kg/m
Area of Section A
cm2
Ratio for
Local Buckling c/t
Second Moment
of Area I cm4
Radius of Gyration i

cm
Elastic Modulus
W el cm3
Plastic Modulus
W pl cm3
Torsional Constants
I T cm4
Torsional Constants
W t cm3
Surface Area
Per Metre m2
Surface Area
Per Tonne m2