I and H section 10 12 14 16 18 20A 20B 22A 22B 24A 24B 27A 27B 30A 30B 30C 36A 36B 36C 40A 100 120 140 160 180 200 200 220 220 240 240 270 270 300 300 300 360 360 360 400 Dimension(mm) Height Width 68 74 80 88 94 100 102 110 112 116 118 122 124 126 128 130 136 138 140 142 Thickness 4.5 5.0 5.5 6.0 6.5 7.0 9.0 7.5 9.5 8.0 10.0 8.5 10.5 9.0 11.0 13.0 10.0 12.0 14.0 10.5 Section area (cm2) 14.3 17.8 21.5 26.1 30.6 35.5 39.5 42.0 46.4 47.7 52.6 54.6 60.0 61.2 67.2 73.4 76.3 83.5 90.7 86.1 Mass (kg/m) 11.2 14.0 16.9 20.5 24.1 27.9 31.1 33.0 36.4 37.4 41.2 42.8 47.1 48.0 52.7 57.4 59.9 65.6 71.2 67.6 40B 40C 400 400 144 146 12.5 14.5
94.1 102 73.8 80.1
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