. . 冷拔无缝矩形钢管的尺寸规格基本尺寸截面面积F/cm2 理论重量G/kg·m- A B S mm 10 5 0.8 0.203 0.160 1 0.243 0.191 12 5 0.8 0.235 0.185 1 0.283 0.222 6 0.8 0.251 0.197 1 0.303 0.238 14 6 0.8 0.283 0.223 1 0.343 0.269 1.5 0.471 0.370 7 0.8 0.299 0.235 1 0.363 0.285 1.5 0.501 0.394 10 0.8 0.347 0.273 1 0.423 0.332 1.5 0.591 0.464 2 0.731 0.574 15 6 0.8 0.299 0.235 1 0.363 0.285 1.5 0.501 0.394 2 0.611 0.480 16 8 0.8 0.347 0.273 1 0.423 0.332 1.5 0.591 0.464 2 0.731 0.574 . . 12 0.8 0.411 0.323 1 0.503 0.395 1.5 0.711 0.559 2 0.891 0.700 18 9 0.8 0.395 0.310 1 0.483 0.379 1.5 0.681 0.535 2 0.851 0.668 10 0.8 0.411 0.323 1 0.503 0.395 1.5 0.711 0.559 2 0.891 0.700 14 0.8 0.475 0.373 1 0.583 0.458 1.5 0.831 0.653 2 1.051 0.825 19 8 0.8 0.411 0.323 1 0.503 0.395 1.5 0.711 0.559 2 0.891 0.700 10 0.8 0.443 0.348 1 0.543 0.426 1.5 0.771 0.606 2 0.971 0.763 12 0.8 0.475 0.373 1 0.583 0.458 1.5 0.831 0.653 2 1.05 0.825 2.5 1.24 0.976 22 9 0.8 0.459 0.361 1 0.563 0.442 1.5 0.801 0.629 2 1.011 0.794 2.5 1.19 0.936 14 0.8 0.539 0.423 1 0.663 0.520 1.5 0.951 0.746 2 1.21 0.951 . . 2.5 1.44 1.13 24 12 0.8 0.539 0.423 1 0.663 0.520 1.5 0.951 0.747 2 1.21 0.951 2.5 1.44 1.13 25 10 0.8 0.523 0.411 1 0.643 0.505 1.5 0.921 0.723 2 1.17 0.920 2.5 1.39 1.09 15 1 0.743 0.583 1.5 1.07 0.841 2 1.37 1.08 2.5 1.64 1.29 28 11 1 0.723 0.567 1.5 1.04 0.818 2 1.33 1.05 2.5 1.59 1.25 14 1 0.783 0.615 1.5 1.13 0.888 2 1.45 1.14 2.5 1.74 1.37 16 1 0.823 0.646 1.5 1.19 0.935 2 1.53 1.20 2.5 1.84 1.45 22 1 0.943 0.740 1.5 1.37 1.08 2 1.77 1.39 2.5 2.14 1.68 3 2.49 1.95 3.5 2.80 2.20 30 12 1.5 1.13 0.888 2 1.45 1.14 2.5 1.74 1.37 3 2.01 1.57 32 13 1.5 1.22 0....
