Hot rolled ordinary I-beam [(GB) 706-65] DIY,special Guanghan Longrun Science and Trade Technology Trade Co., Ltd. , https://www.kairungongju.com Hot rolled ordinary I-beam [(GB) 706-65] H-height; b-leg width; d-waist thickness; t-average leg thickness; r-inner arc radius; r1-leg end arc radius Model Size (mm) Cross-sectional area (cm2) Theoretical weight (kg/m) h b d t r R1 10 100 68 4.5 7.6 6.5 3.3 14.3 11.1 12.6 126 74 5.0 8.4 7 3.5 18.1 14.2 14 140 80 5.5 9.1 7.5 3.8 21.5 16.9 16 160 88 6.0 9.9 8.0 4.0 26.1 20.5 18 180 94 6.5 10.7 8.5 4.3 30.6 24.1 20a 200 100 7.0 11.4 9.0 4.5 35.5 27.9 20b 200 102 9.0 11.4 9.0 4.5 39.5 31.1 22a 220 110 7.5 12.3 9.5 4.8 42.0 33.0 22b 220 112 9.5 12.3 9.5 4.8 46.4 36.4 25a 250 116 8.0 13 10 5 48.5 38.1 25b 250 118 10 13 10 5 53.5 42.0 28a 280 122 8.5 13.7 10.5 5.3 55.45 43.4 28b 280 124 10.5 13.7 10.5 5.3 61.05 47.9 32a 320 130 9.5 15 11.5 5.8 67.05 52.7 32b 320 132 11.5 15 11.5 5.8 73.45 57.7 32c 320 134 13.5 15 11.5 5.8 79.95 62.8 36a 360 136 10.0 15.8 12.0 6.0 76.3 59.9 36b 360 138 12.0 15.8 12.0 6.0 83.5 65.6 36c 360 140 14.0 15.8 12.0 6.0 90.7 71.2 40a 400 142 10.5 16.5 12.5 6.3 86.1 67.6 40b 400 144 12.5 16.5 12.5 6.3 94.1 78.8 40c 400 146 14.5 16.5 12.5 6.3 102 80.1 45a 450 150 11.5 18.0 13.5 6.8 102 80.4 45b 450 152 13.5 18.0 13.5 6.8 111 87.4 45c 450 154 15.5 18.0 13.5 6.8 120 Diamond Electroplated Grinding Wheel