| ลำดับที่ | Standard Sectional Dimension | Sectional Area cm2 | Unit Weight kg/m. | |
|---|---|---|---|---|
| Thickness mm. | Width mm. | |||
| 1 | 4.5 | 25 | 1.125 | 0.88 |
| 2 | 4.5 | 32 | 1.44 | 1.13 |
| 3 | 4.5 | 38 | 1.71 | 1.34 |
| 4 | 4.5 | 44 | 1.98 | 1.55 |
| 5 | 4.5 | 50 | 2.25 | 1.77 |
| 6 | 6 | 25 | 1.5 | 1.18 |
| 7 | 6 | 32 | 1.92 | 1.51 |
| 8 | 6 | 38 | 2.28 | 1.79 |
| 9 | 6 | 44 | 2.64 | 2.07 |
| 10 | 6 | 50 | 3 | 2.36 |
| 11 | 6 | 65 | 3.9 | 3.06 |
| 12 | 6 | 75 | 4.5 | 3.53 |
| 13 | 6 | 90 | 5.4 | 4.24 |
| 14 | 6 | 100 | 6 | 4.71 |
| 15 | 6 | 125 | 7.5 | 5.89 |
| 16 | 8 | 25 | 2 | 1.57 |
| 17 | 8 | 32 | 2.56 | 2.01 |
| 18 | 8 | 38 | 3.04 | 2.39 |
| 19 | 8 | 44 | 3.52 | 2.76 |
| 20 | 8 | 50 | 1 | 3.14 |
| 21 | 8 | 65 | 5.2 | 4.08 |
| 22 | 8 | 75 | 6 | 4.71 |
| 23 | 8 | 90 | 7.2 | 5.65 |
| 24 | 8 | 100 | 8 | 6.28 |
| 25 | 8 | 125 | 10 | 7.85 |
| 26 | 9 | 25 | 2.25 | 1.77 |
| 27 | 9 | 32 | 2.28 | 2.26 |
| 28 | 9 | 38 | 3.42 | 2.68 |
| 29 | 9 | 44 | 3.96 | 3.11 |
| 30 | 9 | 50 | 4.5 | 3.53 |
| 31 | 9 | 65 | 5.85 | 4.59 |
| 32 | 9 | 75 | 6.75 | 5.3 |
| 33 | 9 | 90 | 8.1 | 6.36 |
| 34 | 9 | 100 | 9 | 7.06 |
| 35 | 9 | 125 | 11.25 | 8.83 |
| 36 | 9 | 150 | 13.5 | 10.6 |
| 37 | 9 | 180 | 16.2 | 12.7 |
| 38 | 9 | 200 | 18 | 14.1 |
| 39 | 9 | 230 | 20.7 | 16.2 |
| 40 | 9 | 250 | 22.5 | 17.7 |
| 41 | 12 | 25 | 3 | 2.36 |
| 42 | 12 | 32 | 3.81 | 3.01 |
| 43 | 12 | 38 | 4.56 | 3.58 |
| 44 | 12 | 44 | 5.28 | 4.14 |
| 45 | 12 | 50 | 6 | 4.71 |
| 46 | 12 | 65 | 7.8 | 6.12 |
| 47 | 12 | 75 | 9 | 7.06 |
| 48 | 12 | 90 | 10.8 | 8.48 |
| 49 | 12 | 100 | 12 | 9.42 |
| 50 | 12 | 125 | 15 | 11.8 |
| 51 | 12 | 150 | 18 | 14.1 |
| 52 | 12 | 180 | 21.6 | 17 |
| 53 | 12 | 200 | 24 | 18.8 |
| 54 | 12 | 230 | 27.6 | 21.7 |
| 55 | 12 | 250 | 30 | 23.6 |
| 56 | 12 | 280 | 33.6 | 26.4 |
| 57 | 12 | 300 | 36 | 28.3 |
| 58 | 16 | 32 | 5.12 | 4.02 |
| 59 | 16 | 38 | 6.08 | 4.77 |
| 60 | 16 | 44 | 7.04 | 5.53 |
| 61 | 16 | 50 | 8 | 6.28 |
| 62 | 16 | 65 | 10.4 | 8.16 |
| 63 | 16 | 75 | 12 | 9.42 |
| 64 | 16 | 90 | 14.4 | 11.3 |
| 65 | 16 | 100 | 16 | 12.6 |
| 66 | 16 | 125 | 20 | 15.7 |
| 67 | 16 | 150 | 24 | 18.8 |
| 68 | 16 | 180 | 28.8 | 22.6 |
| 69 | 16 | 200 | 32 | 25.1 |
| 70 | 16 | 230 | 36.8 | 28.9 |
| 71 | 16 | 250 | 40 | 31.4 |
| 72 | 16 | 280 | 44.8 | 35.2 |
| 73 | 16 | 300 | 48 | 37.7 |
| 74 | 19 | 38 | 7.22 | 5.67 |
| 75 | 19 | 44 | 8.36 | 6.56 |
| 76 | 19 | 50 | 9.5 | 7.46 |
| 77 | 19 | 65 | 12.35 | 9.69 |
| 78 | 19 | 75 | 14.25 | 11.2 |
| 79 | 19 | 90 | 17.1 | 13.4 |
| 80 | 19 | 100 | 19 | 14.9 |
| 81 | 19 | 125 | 23.75 | 18.6 |
| 82 | 19 | 150 | 28.5 | 22.4 |
| 83 | 19 | 180 | 34.2 | 26.8 |
| 84 | 19 | 200 | 38 | 29.8 |
| 85 | 19 | 230 | 43.7 | 34.3 |
| 86 | 19 | 250 | 47.5 | 37.3 |
| 87 | 19 | 280 | 53.2 | 41.8 |
| 88 | 19 | 300 | 57 | 44.7 |
| 89 | 22 | 50 | 11 | 8.64 |
| 90 | 22 | 65 | 14.3 | 11.2 |
| 91 | 22 | 75 | 16.5 | 13 |
| 92 | 22 | 90 | 19.8 | 15.5 |
| 93 | 22 | 100 | 22 | 17.3 |
| 94 | 22 | 125 | 27.5 | 21.6 |
| 95 | 22 | 150 | 33 | 25.9 |
| 96 | 22 | 180 | 39.6 | 31.1 |
| 97 | 22 | 200 | 44 | 34.5 |
| 98 | 22 | 230 | 50.6 | 39.7 |
| 99 | 22 | 250 | 55 | 43.2 |
| 100 | 22 | 280 | 61.6 | 48.4 |
| 101 | 22 | 300 | 66 | 51.8 |
| 102 | 25 | 50 | 12.5 | 9.81 |
| 103 | 25 | 65 | 16.25 | 12.8 |
| 104 | 25 | 75 | 18.75 | 14.7 |
| 105 | 25 | 90 | 22.5 | 17.7 |
| 106 | 25 | 100 | 25 | 19.6 |
| 107 | 25 | 125 | 31.25 | 24.5 |
| 108 | 25 | 150 | 37.5 | 29.4 |
| 109 | 25 | 180 | 45 | 35.3 |
| 110 | 25 | 200 | 50 | 39.2 |
| 111 | 25 | 230 | 57.5 | 45.1 |
| 112 | 25 | 250 | 62.5 | 49.1 |
| 113 | 25 | 280 | 70 | 55 |
| 114 | 25 | 300 | 75 | 58.9 |
| 115 | 28 | 100 | 28 | 22 |
| 116 | 28 | 125 | 35 | 27.5 |
| 117 | 28 | 150 | 42 | 33 |
| 118 | 28 | 180 | 50.4 | 39.6 |
| 119 | 28 | 200 | 56 | 44 |
| 120 | 28 | 230 | 64.4 | 550.6 |
| 121 | 28 | 280 | 78.4 | 61.5 |
| 122 | 28 | 300 | 84 | 65.9 |
| 123 | 32 | 100 | 32 | 25.1 |
| 124 | 32 | 125 | 40 | 31.4 |
| 125 | 32 | 150 | 48 | 37.7 |
| 126 | 32 | 180 | 57.6 | 45.2 |
| 127 | 32 | 200 | 64 | 50.2 |
| 128 | 32 | 230 | 73.6 | 57.8 |
| 129 | 32 | 250 | 80 | 62.8 |
| 130 | 32 | 280 | 89.6 | 70.3 |
| 131 | 32 | 300 | 96 | 75.4 |
| 132 | 36 | 100 | 36 | 28.3 |
| 133 | 36 | 125 | 45 | 35.3 |
| 134 | 36 | 150 | 54 | 42.4 |
| 135 | 36 | 180 | 64.8 | 50.9 |
| 136 | 36 | 200 | 72 | 56.5 |
| 137 | 36 | 230 | 82.8 | 65 |
| 138 | 36 | 250 | 90 | 70.6 |
| 139 | 36 | 280 | 100.8 | 79.1 |
| 140 | 36 | 300 | 108 | 84.8 |