本标准适用于直径为5.5mm~380mm的热轧圆钢和边长为5.5mm~300mm的热轧方钢。
热轧圆钢和热轧方钢的截面形状见下图。
| 圆钢公称直径d/mm 方钢公称边长a/mm |
理论重量kg/m | |
| 圆钢 | 方钢 | |
| 5.5 | 0.187 | 0.237 |
| 6 | 0.222 | 0.283 |
| 6.5 | 0.260 | 0.332 |
| 7 | 0.302 | 0.385 |
| 8 | 0.395 | 0.502 |
| 9 | 0.499 | 0.636 |
| 10 | 0.617 | 0.785 |
| 11 | 0.746 | 0.950 |
| 12 | 0.888 | 1.13 |
| 13 | 1.04 | 1.33 |
| 14 | 1.21 | 1.54 |
| 15 | 1.39 | 1.77 |
| 16 | 1.58 | 2.01 |
| 17 | 1.78 | 2.27 |
| 18 | 2.00 | 2.54 |
| 19 | 2.23 | 2.83 |
| 20 | 2.47 | 3.14 |
| 21 | 2.72 | 3.46 |
| 22 | 2.98 | 3.80 |
| 23 | 3.26 | 4.15 |
| 24 | 3.55 | 4.52 |
| 25 | 3.85 | 4.91 |
| 26 | 4.17 | 5.31 |
| 27 | 4.49 | 5.72 |
| 28 | 4.83 | 6.15 |
| 29 | 5.19 | 6.60 |
| 30 | 5.55 | 7.07 |
| 31 | 5.92 | 7.54 |
| 32 | 6.31 | 8.04 |
| 33 | 6.71 | 8.55 |
| 34 | 7.13 | 9.07 |
| 35 | 7.55 | 9.62 |
| 36 | 7.99 | 10.2 |
| 38 | 8.90 | 11.3 |
| 40 | 9.86 | 12.6 |
| 42 | 10.9 | 13.8 |
| 45 | 12.5 | 15.9 |
| 48 | 14.2 | 18.1 |
| 50 | 15.4 | 19.6 |
| 53 | 17.3 | 22.1 |
| 55 | 18.7 | 23.7 |
| 56 | 19.3 | 24.6 |
| 58 | 20.7 | 26.4 |
| 60 | 22.2 | 28.3 |
| 63 | 24.5 | 31.2 |
| 65 | 26.0 | 33.2 |
| 68 | 28.5 | 36.3 |
| 70 | 30.2 | 38.5 |
| 75 | 34.7 | 44.2 |
| 80 | 39.5 | 50.2 |
| 85 | 44.5 | 56.7 |
| 90 | 49.9 | 63.6 |
| 95 | 55.6 | 70.8 |
| 100 | 61.7 | 78.5 |
| 105 | 68.0 | 86.5 |
| 110 | 74.6 | 95.0 |
| 115 | 81.5 | 104 |
| 120 | 88.8 | 113 |
| 125 | 96.3 | 123 |
| 130 | 104 | 133 |
| 135 | 112 | 143 |
| 140 | 121 | 154 |
| 145 | 130 | 165 |
| 150 | 139 | 177 |
| 155 | 148 | 189 |
| 160 | 158 | 201 |
| 165 | 168 | 214 |
| 170 | 178 | 227 |
| 180 | 200 | 254 |
| 190 | 223 | 283 |
| 200 | 247 | 314 |
| 210 | 272 | 323 |
| 220 | 298 | 344 |
| 230 | 326 | 364 |
| 240 | 355 | 385 |
| 250 | 385 | 406 |
| 260 | 417 | 426 |
| 270 | 449 | 447 |
| 280 | 483 | 468 |
| 290 | 519 | 488 |
| 300 | 555 | 509 |
| 310 | 592 | |
| 320 | 631 | |
| 330 | 671 | |
| 340 | 713 | |
| 350 | 755 | |
| 360 | 799 | |
| 370 | 844 | |
| 380 | 890 | |
注明
表中钢的理论重量是按密度为7.85g/cm3计算。
温馨提示手机阅览表格数据时，请横屏阅览效果最佳。