Rectangular Hollow Sections

Nominal Size Mass per Metre Metre per Tonne
Size Thickness
mm mm mm (approx)
50x25 2 2.12 472
  2.5 2.73 366
  3 3.22 311
50x30 2 2.28 439
  2.5 2.92 342
  3 3.45 290
  4 4.46 224
  5 5.4 185
60x40 2.5 3.71 270
  3 4.39 228
  4 5.72 175
  5 6.97 143
  6.3 8.49 118
80x40 2.5 4.39 228
  3 5.34 187
  4 6.97 143
  5 8.54 117
  6.3 10.5 95
  8 12.8 78
90x50 3 6.28 159
  3.6 7.46 134
  5 10.1 99
  6.3 12.5 80
  8 15.3 65
100x50 2.5 5.56 180
  3 6.75 148
  4 8.86 113
  5 10.9 92
  6.3 13.4 75
  8 16.6 60
100x60 3 7.22 139
  3.6 8.59 116
  5 11.7 85
  6.3 14.4 69
  8 17.8 56
120x60 3 6.97 143
  3.6 9.72 103
  5 13.3 75
  6.3 16.4 61
  8 20.4 49
Nominal Size Mass per Metre Metre per Tonne
Size Thickness
mm mm mm (approx)
120x80 5 14.8 68
  6.3 18.4 54
  8 22.9 44
  10 27.9 36
150x100 5 18.7 53
  6.3 23.3 43
  8 29.1 34
  10 35.7 28
  12.5 43.6 23
160x80 5 18 56
  6.3 22.3 45
  8 27.9 36
  10 34.2 29
  12.5 41.6 24
200x100 5 22.7 44
  6.3 28.3 35
  8 35.4 28
  10 43.6 23
  12.5 53.4 19
200x120 6 28.3 35
  8 36.5 27
  10 44.4 23
250x100 6 31.1 32
  8 40.2 25
  10 49.1 20
250x150 5 30.5 33
  6.3 38.2 26
  8 48 21
  10 59.3 17
  12.5 73 14
  16 91.5 11
300x200 6.3 48.1 21
  8 60.5 17
  10 75 13
  12.5 92.6 11
  16 117 9
400x200 6.3 57.9 17
  8 73.1 14
  10 90.7 11
  12.5 112 9
  16 142 7
500x300 10 122 8
  12.5 152 7
  16 192 5
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Please note that any specification or standard shown in this guide, including weights and properties is strictly for guidance purposes only, and Christmas Stockholders does not accept any liability for loss as a result of the specifications, weights, properties etc, shown within this guide.