方钢规格型号尺寸有15*15,20*20,25*25,30*30,35*35,40*40,45*45,50*50,55*55*(0.5-6),60*60,65*65,70*70,75*75,80*80,85*85,90*90,95*95,100*100,105*105,110*110,115*115,120*120,125*125,130*130*(1.5-10),140*140,150*150,160*160,170*170,180*180,190*190,200*200,210*210,220*220,230*230,240*240,250*250,260*260,270*270,280*280,290*290,300*300-500*500*(3-14)。
(1)尺寸规格见表6—40-表6—45。
表6-40冷拔无缝方形钢管的尺寸规格
基本尺寸 |
截面面积F/cm2 |
理论质量G/(kg/m) |
惯性矩Jx=Jy/cm4 |
截面系数Wx=Wy/cm3 |
|
A |
S |
||||
mm |
|||||
12 |
O.8 1.0 |
O.348 0 423 |
O.273 0.332 |
O.0739 O.0873 |
O.123 O.146 |
14 |
1.0 1.5 |
0.503 O.712 |
O.394 O.559 |
0.144 O.192 |
O.206 0.274 |
16 |
1.O 1.5 |
O.583 O.832 |
O.458 0.653 |
O.222 O.300 |
O.278 O.374 |
18 |
1.O 1.5 2.O |
0.663 0.952 1.21 |
O.521 0.747 O.952 |
O.324 O.442 0.535 |
O.360 O.491 0.595 |
20 |
1.0 1.5 2.0 2.5 |
O.743 1.07 1.37 1.64 |
0.583 O.841 1.08 1.29 |
O.453 0.624 O.763 O.874 |
0 453 O.624 O.763 O.874 |
22 |
1 1.5 2 2.5 |
O.823 1.19 1.53 1.84 |
O.646 O.936 1.20 1.45 |
O.612 0.850 1.05 1.21 |
O.556 O.773 O.953 1.10 |
25 |
2.5 3 |
2.14 2.49 |
1.68 1.95 |
1.86 2.08 |
1.49 1.57 |
30 |
2.5 3 3.5 4 |
2.64 3.01 3.50 3.89 |
2.08 2.42 2.75 3.05 |
3.41 3.86 4.25 4.58 |
2.27 2.58 2.83 3.05 |
32 |
2.5 3 3.5 |
2.84 3.33 3 78 |
2.23 2.61 2.97 |
4.21 4.79 5.29 |
2.63 3.00 3.31 |
32 |
4 |
4.21 |
3.30 |
5.73 |
3.58 |
35 |
2.5 3 3.5 4 5 |
3.14 3.69 4.20 4.68 5.58 |
2.47 2.89 3.30 3.68 4.38 |
5.54 6.45 7.16 7.78 8.79 |
3.22 3.68 4.09 4.45 5.02 |
36 |
2.5 3 3.5 4 5 |
3.24 3.81 4.3_4 4.85 5.75 |
2.55 2.99 3.4l 3.8l 4.53 |
6.18 7.07 7.87 8.56 9.70 |
3.43 3.93 4.37 4.76 5.39 |
40 |
2.5 3 3.5 4 5 6 |
3.64 4.29 4.90 5.49 6.58 7.55 |
2.86 3.37 3.85 4.3l 5.16 5.93 |
8.68 9.98 11.16 12.21 13.98 15.34 |
4.34 4.99 5.58 6.1l 6.99 7.67 |
42 |
2.5 3 3.5 4 5 6 |
3.84 4.53 5.18 5.81 6.98 8.03 |
3.02 3.55 4.07 4.56 5.48 6.30 |
10.15 11.70 13.10 14.37 16.56 18.22 |
4.83 5.57 6.24 6.84 7.87 8.58 |
45 |
3.5 4 5 |
5.60 6.23 7.58 |
4.40 4.94 5.95 |
16.43 18.07 20.90 |
7.30 8.03 9.29 |
45 |
6 7 8 |
8.75 9.81 10.8 |
6.87 7.80 8.44 |
23.19 24.97 26.30 |
lO.31 11.10 11.59 |
50 |
4 5 6 7 8 |
7.09 8.58 9.95 11.21 12.35 |
5.56 6.73 7.8l 8.80 9.70 |
25.56 29.81 33.35 36.23 38.51 |
10.22 11.93 13.34 14.49 15.41 |
55 |
4 5 6 7 8 |
7.89 9.58 11.15 12.51 13.95 |
6.19 7.52 8.75 9.90 10.95 |
34.87 40.95 46.13 50.47 54.04 |
12.58 14.89 16.77 18.35 19.65 |
60 |
4 5 6 7 8 |
8.69 10.58 12.35 14.0l 15.55 |
6.82 8.30 9.69 11.00 12.21 |
46.21 54.57 61.82 68.03 73.28 |
15.4 18.19 20.61 22.68 24.43 |
65 |
4 5 6 7 8 |
9.49 11.58 13.55 15.41 17.15 |
7.45 9.07 10.64 12.10 13.47 |
59.78 70.92 80.72 89.27 96.64 |
18.39 21.82 24.84 27.46 29.74 |
70 |
4 5 6 |
10.29 12.58 14.7 |
8.08 9.87 11.58 |
75.78 90.26 103.1 |
21.65 25.79 29.47 |
70 |
7 8 |
16.81 18.75 |
13.19 14.72 |
114.5 124.5 |
32.72 35.57 |
75 |
4 5 6 7 8 |
11.09 13.58 15.95 18 21 20.35 |
8.70 10.66 12.52 14.29 15.98 |
94.4 112.8 129.4 144.2 157.3 |
25.17 30.08 34.50 38.44 41.94 |
80 |
4 5 6 7 8 |
11.89 14.58 17.15 19.61 21.95 |
9.33 11.44 13.46 15.39 17.23 |
115.9 138.9 159.7 178.5 195.4 |
28.96 34.72 39.93 44.63 48.85 |
5 6 7 8 |
16.98 20.03 22.97 25.79 |
13.33 15.72 18.03 20.25 |
217.1 251.1 282.3 310.9 |
47.19 54.59 61.38 67.58 |
|
100 |
5 6 7 8 |
18.58 21.95 25.21 28.35 |
14.58 17.23 19.79 22.26 |
282.8 328.2 370.2 408.9 |
56.57 65.54 74.04 81.78 |
110 |
7 8 9 |
28.01 31.55 34.98 |
21.99 24.77 27.46 |
503.4 557.9 608.4 |
91.54 101.4 11O.6 |
注:理论质量计算
G=0.0157S(A+A一2.8584S)
式中 G——每米钢管的质量(kg/m);
A——方形钢管的边长(mm);
S——方形钢管的公称壁厚(mm).
以钢管R=1.5S时,钢的密度为7.85g/cm3的计算公式。
表6-41冷拔无缝矩形钢管的尺寸规格
基本尺寸 |
截面面积F /cm2 |
理论质量G /(kg/m) |
惯性矩 |
截面系数 |
||||
A |
B |
S |
Jx |
Jy |
Wx |
wy |
||
mm |
cm4 |
cm3 |
||||||
lO |
5 |
0.8 l |
O.203 O.243 |
O.160 O.191 |
O.0074 O.0082 |
O.0239 O.0270 |
0.0297 0.0329 |
0.0478 0.0547 |
12 |
5 |
0.8 l |
0.235 0.283 |
0.185 0.222 |
O.0088 0.0099 |
O.0388 O.0449 |
O.0354 O.0395 |
O,0646 O.0748 |
6 |
O.8 l |
O.251 O.303 |
0.197 0.238 |
0.0139 0.0157 |
O.0438 0.0509 |
O.0462 O.0524 |
0.0730 O.0849 |
|
14 |
6 |
0.8 1 1.5 |
0.283 0.343 O.471 |
O.223 O.269 O.370 |
0.0160 O.0182 O.0215 |
0.0654 0.0767 O.0973 |
0.0535 O.0608 O.0715 |
O.0935 O.110 O.139 |
7 |
0.8 l 1.5 |
0.299 O.363 O.501 |
O.235 0.285 O.394 |
0.0233 O.0268 0.0324 |
O.0724 O.0852 0.109 |
O.0665 0.0765 O.0927 |
O.104 O.122 0.156 |
|
10 |
O.8 l 1.5 2 |
O.347 O.423 0.591 0.73l |
O.273 O.332 0.464 0.574 |
O.0545 O.0640 0.0818 0.0925 |
O.0934 O.111 O.144 O.167 |
O.109 O.128 O.164 O.185 |
0.133 O.158 O.206 O.238 |
|
15 |
6 |
0.8 1 1.5 2 |
O.299 O.363 O.501 O.611 |
O.235 O.285 O.394 O.480 |
0.0171 0.0195 O.0230 O.0240 |
0.0784 O.0922 O.118 0.133 |
O.0571 O.0651 O.0768 O.0799 |
0.105 O.123 O.157 0.177 |
16 |
8 |
O.8 l1.5 2 |
O.347 O.423 0.59l O.731 |
0.273 0.332 O.464 0.574 |
0.0362 0.042l O.0525 0.0579 |
0.111 0.132 O.173 O.200 |
O.0905 0.105 O.131 O.145 |
O.139 O.165 O.216 0.250 |
12 |
0.8 1 1.5 2 |
O.411 0.503 O.711 O.89l |
O.323 0.395 0.559 O.700 |
O.0941 O.112 0.147 O.170 |
0.148 0.177 O.236 0.279 |
0.157 0.186 O.244 0.284 |
O.186 O.222 O.295 0.349 |
|
18 |
9 |
0.8 1 1.5 2 |
O.395 O.483 O.681 0.851 |
0.310 O.379 O.535 0.668 |
0.0532 O.0624 O.0796 O.0897 |
O.162 O.194 0.258 O.304 |
0.118 0.139 O.177 O.199 |
0.180 O.215 O.287 0.337 |
10 |
O.2 1 1.5 2 |
0.411 O.503 0.711 0.89l |
0.323 O.395 O.559 0.700 |
O.0680 0.0802 O.1037 O.119 |
0.174 0.208 O.278 0.329 |
0.136 O.161 0.207 0.237 |
0.194 O.23l 0.309 O.366 |
|
14 |
O.8 l 1.5 2 |
0.475 0.583 0.83l 1.051 |
0.373 O.458 0.653 O.825 |
O.149 O.178 O.239 O.283 |
0.222 O.266 O.360 0.432 |
0.213 O.255 O.341 0.404 |
O.246 O.296 O.400 O.480 |
|
20 |
8 |
0.8 1 1.5 2 |
0.411 0.503 0.711 O.891 |
O.323 0.395 O.559 0.700 |
O.0445 0.0520 O.0654 O.0728 |
O.197 O.236 0.315 O.373 |
O.111 O.130 O.164 O.182 |
O.197 0.236 O.315 O.373 |
10 |
0.8 1 1.5 2 |
O.443 0.543 0.771 0.971 |
O.348 0.426 0.606 O.763 |
O.0748 O.0884 O.115 O.132 |
0.227 O.272 0.367 O.438 |
0.150 O.177 0.229 O.263 |
0.227 0.272 0.367 O.438 |
|
12 |
0.8 1 1.5 2 2.5 |
0.475 0.583 O.831 1.05 1.24 |
O.373 O.458 0.653 O.825 0.976 |
O.114 O.136 0.180 0.211 0.23l |
O.256 0.308 0.418 O.503 0.565 |
O.190 0.226 O.300 0.352 0.385 |
0.256 0.308 O.418 O.503 0.565 |
|
22 |
9 |
O.8 l 1.5 2 2.5 |
O.459 O.563 O.801 1.011 1.19 |
O.361 O.442 O.629 O.794 O.936 |
0.0640 0.0753 O.0967 O.110 O.117 |
O.27l O.325 0.440 O.527 0.589 |
O.142 O.167 O.215 O.244 0.259 |
0.246 0.295 0.400 O.479 O.536 |
14 |
O.8 l 1.5 2 2.5 |
0.539 0.663 O.951 1.21 1.44 |
O.423 0.520 O.746 O.951 1.13 |
O.177 O.212 0.286 O.34l 0.381 |
O.361 O.435 0.598 O.727 O.828 |
O.253 O.303 0.408 0.487 O.544 |
0.328 0.396 0.543 O.66l O.753 |
|
24 |
12 |
O.8 1 1.5 2 2.5 |
O.539 O.663 0.951 1.2l 1.44 |
O.423 O.520 O.747 O.951 1.13 |
O.134 O.160 O.213 O.252 O.277 |
0.403 0.487 0.669 O.815 O.928 |
0.224 O.267 O.355 0.419 O.462 |
O.336 O.406 O.557 0.679 0.774 |
25 |
lO |
O.8 1 1.5 2 2.5 |
O.523 O.643 O.921 1.17 1.39 |
O.411 0.505 O.723 O.920 1.09 |
0.0918 0.109 O.142 O.164 O.178 |
0.399 O.482 0.660 O.802 O.910 |
0.184 O.217 0.284 O.329 O.355 |
O.320 O.386 O.528 0.642 0.728 |
15 |
1 1.5 2 2.5 |
O.743 1.07 1.37 1.64 |
O.583 0.84l 1.08 1.29 |
O.279 O.379 0.457 O.515 |
0.626 0.868 1.07 1.23 |
O.372 O.505 0.609 O.687 |
0.501 O.6914 O.854 O.983 |
|
28 |
11 |
1 1.5 2 2.5 |
0.723 1.04 1.33 1.59 |
0.567 O.818 1.05 1.25 |
O.151 0.200 O.235 0.257 |
0.683 0.945 1.16 1.33 |
O.274 0.363 O.426 O.468 |
O.488 O.675 O.328 O.95l |
14 |
l 1.5 2 2.5 |
0.783 1.13 1.45 1.74 |
O.615 O.888 1.14 1.37 |
O.263 O.356 O.428 0.482 |
0.792 1.10 1.36 1.58 |
O.376 O.509 O.612 O.688 |
0.566 0.788 O.973 1.13 |
|
16 |
1 1.5 2 2.5 |
O.823 1.19 1.53 1.84 |
O.646 0.935 1.20 1.45 |
0.357 0.489 O.595 0.676 |
O.865 1.2l 1.50 1.74 |
0.447 O.612 O.743 0.845 |
O.618 O.863 1.07 1.24 |
|
28 |
22 |
1 1.5 2 2.5 3 3.5 |
O.943 1.37 1.77 2.14 2.49 2.80 |
0.740 1.08 1.39 1.68 1.95 2.20 |
O.744 1.04 1.29 1.50 1.67 1.80 |
1.08 1.52 1.90 2.23 2.50 2.72 |
0.677 0.945 1.17 1.36 1.52 1.64 |
O.774 1.09 1.36 1.59 1.79 1.94 |
30 |
12 |
1.5 2 2.5 3 |
1.13 1.45 1.74 2.O1 |
0.888 1.14 1.37 1.57 |
0.263 0.312 0.347 O.369 |
1.19 1.48 1.7l 1.89 |
0.439 O.520 0.578 O.614 |
0.796 O.984 1.14 1.26 |
32 |
13 |
1.5 2 2.5 3 |
1.22 1.57 1.90 2.19 |
O.959 1.23 1.49 1.72 |
O.339 O.406 O.454 O.488 |
1.48 1.84 2.14 2.39 |
0.521 O.624 O.699 0.75l |
O.927 1.15 1.34 1.49 |
16 |
1.5 2 2.5 3 |
1.3l 1.69 2.04 2.37 |
1.03 1.33 1.60 1.86 |
0.553 0.674 0.768 O.840 |
1.69 2.11 2.47 2.77 |
0.691 O.842 O.961 1.05 |
1.07 1.32 1.54 1.73 |
|
25 |
1.5 2 2.5 3 |
1.58 2.05 2.49 2.91 |
1.21 1.61 1.96 2.28 |
1.57 1.97 2.31 2.60 |
2.32 2.92 3.45 3.91 |
1.26 1.58 1.85 2.08 |
1.45 1.83 2.16 2.44 |
|
35 |
14 |
1.5 2 2.5 3 3.5 |
1.34 1.73 2.09 2.43 2.73 |
1.05 1.36 1.64 1.90 2.14 |
O.439 0.530 0.599 O.649 O.683 |
1.96 2.45 2.86 3.2l 3.50 |
O.627 0.757 0.856 0.928 0.975 |
1.12 1.40 1.64 1.84 2.00 |
36 |
18 |
1.5 2 2.5 3 3.5 |
1.49 1.93 2.34 2.73 3.08 |
1.17 1.52 1.84 2.14 2.42 |
0.811 0.998 1.15 1.27 1.37 |
2.46 3.10 3.65 4.13 4.53 |
0.901 1.11 1.28 1.41 1.52 |
1.37 1.72 2.03 2.29 2.51 |
28 |
2 |
2.33 |
1.83 |
2.85 |
4.26 |
2.04 |
2.36 |
|
37 |
15 |
2 2.5 3 3.5 4 |
1.85 2.24 2.6l 2.94 3.25 |
1.45 1.76 2.05 2.31 2.55 |
O.661 0.753 O.821 O.870 O.901 |
2.96 3.47 3.9l 4.28 4.58 |
O.881 1.00 1.09 1.16 1.20 |
1.60 1.88 2.12 2.31 2.48 |
40 |
16 |
2 2.5 3 3.5 4 |
2.01 2.44 2.85 3.22 3.57 |
1.58 1.92 2.23 2.53 2.80 |
O.832 O.953 1.05 1.12 1.16 |
3.77 4.46 5.05 5.55 5.97 |
1.04 1.19 1.3l 1.40 1.46 |
1.89 2.23 2.52 2.77 2.98 |
20 |
2 2.5 3 3.5 4 |
2.17 2.64 3.09 3.50 3.86 |
1.70 2.07 2.42 2.75 3.05 |
1.41 1.64 1.83 1.99 2.11 |
4.35 5.16 5.87 6.48 7.0l |
1.41 1.64 1.83 1.99 2.11 |
2.18 2.58 2.93 3.24 3.50 |
|
25 |
2 2.5 3 3.5 4 |
2.37 2.89 3.39 3.85 4.29 |
1.86 2.27 2.66 3.02 3.36 |
2.39 2.82 3.18 3.49 3.75 |
5.07 6.04 6.90 7.65 8.3l |
1.91 2.25 2.54 2.79 2.99 |
2.54 3.02 3.45 3.83 4.15 |
|
42 |
30 |
2 |
2.65 |
2.08 |
3.83 |
6.53 |
2.55 |
3.11 |
45 |
30 |
2 2.5 3 3.5 4 |
2.77 3.39 3.99 4.55 5.09 |
2.18 2.66 3.13 3.57 3.99 |
4.07 4.83 5.51 6.11 6.62 |
7.73 9.26 10.65 11.90 13.01 |
2.7l 3.22 3.57 4.07 4.42 |
3.44 4.12 4.73 5.29 5.78 |
48 |
30 |
2 2.5 |
2.89 3.54 |
2.27 2.78 |
4.30 5.12 |
9.06 10.87 |
2.87 3.41 |
3.77 4.53 |
50 |
32 |
2 2.5 3 |
3.05 3.74 4 41 |
2.40 2.94 3.46 |
5.18 6.18 7.07 |
10.48 12.60 14.55 |
3.24 3.86 4.42 |
4.19 5.04 5.82 |
55 |
38 |
2 2.5 3 3.5 4 |
3.49 4.29 5.07 5.81 6.53 |
2.74 3.37 3.98 4.56 5.12 |
8.36 10.04 11.58 12.97 14.23 |
14.93 18.03 20.91 23.57 26.01 |
4.40 5.29 6.09 6.83 7 49 |
5.43 6.56 7.60 8.57 9.46 |
60 |
40 |
3.5 4 5 |
6.30 7.09 8.57 |
4.95 5.56 6.73 |
15.84 17.42 20.15 |
30.41 33.66 39.41 |
7.92 8.7l 10.07 |
10.14 11.22 13.14 |
70 |
50 |
4 5 6 7 |
8.69 10.57 12.34 14.00 |
6.82 8.30 9.69 10.99 |
34.05 39.98 45.04 49.29 |
58.35 69.Il 78.51 86.64 |
13.52 15.99 18.02 19.71 |
16.67 19.75 22.43 24.75 |
80 |
60 |
4 5 6 7 |
10.29 12.57 14.74 16.80 |
8.07 9.87 11.57 13.19 |
58.79 69.75 79.40 87.81 |
92.76 110.7 126.8 141.1 |
19.60. 23.25 26 47 29.27 |
23.19 27.68 31.70 35.28 |
90 |
60 |
4 5 6 7 |
11.09. 13.57 15.94 18 20 |
8.70 10.65 12.52 14.29 |
65.07 77.33 88.18 97.70 |
123.7 148.2 170.4 190.3 |
21.59 25.78 29.39 32.57 |
27.48 32.93 37.86 42.30 |
100 |
70 |
5 6 7 8 |
15.57 18.34 21.00 23.54 |
12.22 14.40 16.48 18.48 |
122.O 140.1 156.4 170.9 |
215.2 248.6 279.3 307.1 |
34.86 40.04 44.68 48.83 |
43.04 49.73 55.86 61.43 |
110 |
75 |
5 6 7 8 |
17.07 20.14 23.10 25.94 |
13.40 15.8l 18.13 20.36 |
155.8 179.5 201.0 220.4 |
285.8 331.4 373.4 412.1 |
41.54 47.87 53.61 58.79 |
51.96 60.25 67.89 74.92 |
120 |
80 |
6 7 8 9 |
21.94 25.20 28.34 31.37 |
17.22 19.78 22.25 24.63 |
225.6 253.4 278.7 301.6 |
430.6 486.6 538.5 586.5 |
56.40 63.35 69.67 75.41 |
71.76 81.10 89.75 97.74 |
130 |
85 |
6 7 8 9 |
23.74 27.30 30.74 34.07 |
18.64 21.43 24.13 26.75 |
278.9 314.07 346.3 375.8 |
547.8 620.5 682.4 751.6 |
63.63 73.90 81.49 88.43 |
84.28 95.47 105.9 115.6 |
140 |
80 |
7 8 9 10 |
28.00 31.54 34.97 38.29 |
21.98 24.76 27.45 30.05 |
290.8 320.3 347.3 371.7 |
715.1 794.1 867.8 936.4 |
72.70 80.08 86.8l 92.92 |
102.2 113.4 124.O 133.8 |
150 |
75 |
7 8 9 10 |
28.70 32.34 35.87 39.29 |
22.53 25.39 28.16 30.84 |
266,0 292.6 316.8 338.6 |
814.6 905.3 990.1 1069.3 |
70.93 78.03 84.47 90.29 |
108.6 120.7 132.O 142.6 |
160 |
65 |
8 9 10 11 |
32.34 35.87 39.29 42.59 |
25.39 28,16 30.84 33.43 |
220.9 238.1 253.4 266.9 |
975.4 1066.8 1152.0 1231.2 |
67.97 73.27 77.98 82.13 |
121.9 133.3 144.O 153.9 |
注:理论质量计算。
G=0.0157S(A+B一2.8584S)
式中 G——每米钢管的质量(k(m);
A、B——矩形钢管的长与宽(mm);
S——矩形钢管的公称壁厚(mm)。
以钢管R=1.5S时,钢的密度为7-85g/cm3的计算公式。
表6-42冷拔无缝椭圆形钢管的尺寸规格
基本尺寸 |
截面面积 F /cm2 |
理论质量 C /(kg/m) |
惯性矩 |
截面系数 |
||||
A |
B |
S |
Jx |
JY |
Wx |
Wy |
||
mm |
cm4 |
cm3 |
||||||
6 |
3 |
0.5 |
O.0628 |
O.0493 |
0.00060 |
0.00195 |
O.00399 |
0.00651 |
8 |
4 |
O.5 O.8 1 1.2 |
0.0864 0.131 0.157 0.181 |
0.0678 O.103 O.123 O.142 |
O.00159 0.00208 O.00228 O.00241 |
O.00500 O.00697 O.00793 0.00867 |
0.00793 O.O104 O.0114 O.012l |
O.0125 0.0174 O.0198 O.0217 |
lO |
5 |
O.5 0.8 1 1.2 |
O.110 O.168 0.204 O.238 |
0.0864 O.132 0.160 O.186 |
O.0033l O.00452 0.000508 O.00548 |
O.0102 O.0147 0.0170 O.0189 |
0.0132 O.0181 0.0203 O.0219 |
O.0205 O.0293 O.0340 O.0379 |
7 |
O.5 O.8 1 1.2 |
0.126 0.194 O.236 0.275 |
O.0987 O.152 O.185 0.216 |
0.0Cr729 0.0103 O.0119 0.0132 |
O.0129 0.0187 O.0218 0.0245 |
O.0208 0.0295 O.0341 O.0377 |
O.0258 0.0373 O.0436 0.0489 |
|
12 |
4 |
0.5 0.8 1 1.2 |
0.118 O.181 0.220 0.256 |
0.0925 O.142 0.173 O.201 |
O.0023l O.00307 0.00338 0.00358 |
0.0143 0.0207 O.024l O.0270 |
0.O116 0.0153 O.0169 0.0179 |
0.0239 O.0345 0.0402 0.0450 |
6 |
0.5 0.8 l 1.2 |
O.134 0.206 0.251 O.294 |
O.105 O.162 O.197 O.231 |
0.00597 0.00838 0.00958 O.0105 |
O.0182 O.0266 O.0313 O.0353 |
O.0199 O.OZ79 O.0319 O.035l |
0.0304 0.0444 O.0521 O.0588 |
|
14 |
7 |
O.5 0.8 1 1.2 |
O.157 0.244 O.298 O.351 |
0.123 O.191 O.234 O.275 |
O.00979 O.04lO 0.0162 0.0180 |
O.0295 O.0437 0.0519 O.0591 |
0.0280 O.0400 O.0463 0.0515 |
O.042l O.0625 O.0741 0.0844 |
15 |
5 |
O.5 O.8 l 1.2 |
O.149 O.231 0.283 0.332 |
O.117 O.182 O.222 O.26l |
O.0048l O.00662 O.00748 0.00812 |
0.0290 O.O427 0.0505 O.0573 |
O.0192 0.0265 0.0299 0.0325 |
0.0386 0.0569 O.0673 0.0764 |
16 |
8 |
0.5 0.8 l 1.2 |
O.181 O.282 O.346 0.407 |
0.142 0.221 0.271 0.320 |
O.0150 O.0217 O.0254 0.0285 |
0.0449 O.0671 O.080l 0.0918 |
O.0374 0.0542 0.0634 O.0712 |
0.0561 0.0838 O.100 O.115 |
18 |
8 |
O.5 O.8 l 1.2 |
O.196 0.306 0.377 O.445 |
0.154 0.240 0.296 O.349 |
O.0166 O.0241 0.0283 O.0318 |
O.0602 O.0905 0.108 O.125 |
0.0416 0.0604 O.0707 O.0795 |
0.0669 O.101 0.120 0.139 |
9 |
0.5 O.8 1 1.2 |
O.204 O.319 0.393 0.463 |
O.160 O.250 O.308 O.364 |
O.0217 0.0318 O.0375 0.0424 |
O.0648 O.0974 O.117 O.135 |
O.0482 O.0706 0.0883 0.0942 |
O.0719 0.108 0.130 0.150 |
|
20 |
10 |
0.5 0.8 1 1.2 |
0.228 0.357 0.440 0.520 |
O.179 O.280 0.345 0.408 |
0.0302 O.0446 O.0529 0.0602 |
O.0897 O.136 0.164 O.189 |
O.0604 O.0892 0.106 O.12l |
0.0897 O.136 0.164 0.189 |
12 |
O.8 1 1.2 1.5 |
0.382 O.471 O.558 0.683 |
0.300 0.370 0.438 O.536 |
0.0680 O.0813 O.0932 O.109 |
O.153 O.185 O.214 O.254 |
O.113 O.136 0.155 O.18l |
0.153 O.185 O.214 O.254 |
|
24 |
8 |
O.8 l 1.2 1.5 |
0.382 O.471 O.558 0.683 |
0.300 O.370 O.438 O.536 |
O.0315 0.0370 0.0417 0.0474 |
O.190 0.229 0.266 0.316 |
0.0788 0.0925 O.104 O.119 |
0.158 0.191 0.222 0.263 |
12 |
O.8 1 1.2 1.5 |
O.432 O.534 O.633 0.778 |
O.339 0.419 0.497 0.610 |
O.0799 0.0956 0.110 O.128 |
O.24l 0.29l 0.339 O.405 |
O.133 O.159 O.183 0.214 |
O.200 0.243 0.282 O.337 |
|
26 |
13 |
O.8 1 1.2 1.5 |
0.470 O.58l O.690 0.848 |
O.369 O.456 0.541 0.666 |
O.103 O.124 O.142 O.168 |
0.309 0.376 O.438 0.524 |
O.158 0.190 0.219 O.258 |
0.238 0.289 0.337 O.403 |
30 |
10 |
O.8 1 1.2 1.5 |
0.482 0.597 O.708 O.871 |
O.379 0.469 0.556 0.684 |
O.0647 O.0769 O.0878 0.102 |
0.38l 0.463 O.541 O.649 |
0.129 O.154 O.176 0.204 |
O.254 0.309 0.36l O.433 |
30 |
15 |
0.8 1 1.2 1.5 |
O.545 O.675 O.803 0.990 |
0.428 O.530 0.630 O.777 |
O.162 O.195 O.226 0.268 |
O.48l O.587 O.688 O.829 |
O.216 0.260 O.302 0.358 |
O.321 O.391 O.459 O.552 |
18 |
O.8 l 1.2 1.5 |
0.583 O.723 O.859 1.06 |
0.458 O.567 0.675 0-832 |
0.244 O.296 0.345 O.412 |
0.542 O.662 O.776 O.937 |
0.27l O.329 O.383 0.457 |
O.36l O.44l 0.518 O.624 |
|
34 |
17 |
0.8 1 1.2 1.5 |
O.621 0.769 O.916 1.13 |
O.487 0.604 O.719 O.888 |
0.239 O.290 0.337 O.403 |
O.708 0.864 1.02 1.23 |
O.281 0.34l 0.396 O.474 |
O.417 0.508 0.599 O.724 |
43 |
32 |
2 |
2.23 |
1.75 |
2.71 |
4.34 |
1.70 |
2.02 |
44 |
22 |
1 1.2 1.5 2 |
1.Ol 1.20 1.48 1.95 |
0.789 0.941 1.17 1.53 |
0.65l 0.763 0.920 1.16 |
1.92 2.27 2.77 3.54 |
O.592 0.694 O.836 1.05 |
0.875 1.03 1.26 1.6l |
45 |
15 |
1 1.2 1.5 2 |
0.911 1.09 1.34 1.76 |
O.715 O.852 1.05 1.38 |
O.282 0.327 O.389 0.478 |
1.64 1.93 2.35 2.99 |
O.376 O.436 O.519 O.637 |
0.727 O.857 1.04 1.33 |
23 |
1 1.2 1.5 2 |
1.04 1.24 1.53 2.01 |
0-814 O.970 1.20 1.58 |
0.734 O.861 1.04 1.31 |
2.09 2.47 3.Ol 3.86 |
O.638 0.749 O.904 1.14 |
O.929 1.10 1.34 1.72 |
|
28 |
1 1.2 1.5 2 |
1.12 1.33 1.65 2.17 |
O.875 1.05 1.29 1.70 |
1.14 1.34 1.63 2.07 |
2.38 2.8l 3.44 4.41 |
O.813 O.957 1.16 1.48 |
1.06 1.25 1.53 1.96 |
|
50 |
25 |
l 1.2 1.5 2 |
1.15 1.37 1.70 2.23 |
O.900 1.08 1.33 1.75 |
O.969 1.14 1.38 1.75 |
2.85 3.37 4.13 5.3l |
0.775 O.912 1.10 1.40 |
1.27 1.35 1.65 2.12 |
34 |
17 |
2 |
1.48 |
1.16 |
O.496 |
1.56 |
0.584 |
0.918 |
36 |
12 |
O.8 l 1.2 1.5 |
0.583 O.723 0.859 1.06 |
0.458 O.567 O.675 0.832 |
O.115 0.139 0.159 0.187 |
0.670 0.819 0.961 1.16 |
O.192 O.23l 0.266 O.312 |
O.373 0.455 O.534 O.644 |
18 |
0.8 l 1.2 1.5 2 |
O.659 0.817 O.972 1.20 1.57 |
0.518 0.64l O.763 O.944 1.23 |
O.286 O.347 O.405 O.484 0.600 |
0.846 1.04 1.22 1.48 1.87 |
O.318 0.386 O.450 O.538 O.667 |
O.470 0.576 O.677 O.82l 1.04 |
|
38 |
26 |
l 1.2 1.5 2 |
0.974 1.16 1.44 1.89 |
0.765 0.9ll 1.13 1.48 |
0.837 0.983 1.19 1.50 |
1.51 1.78 2.16 2.76 |
O.644 0.756 O.914 1.16 |
0.793 0.935 1.14 1.45 |
40 |
20 |
1 1.2 1.5 2 |
O.911 1.09 1.34 1.76 |
0.715 O.852 1.05 1.38 |
O.483 0.565 0.678 0.847 |
1.44 1.69 2.06 2.62 |
O.483 0.565 O.679 O.847 |
O.718 O.846 1.03 1.3l |
43 |
32 |
1 1.2 1.5 |
1.15 1.37 1.70 |
0.900 1.08 1.33 |
1.48 1.75 2.13 |
2.34 2.76 3.38 |
O.927 l.09 1.33 |
1.09 1.29 1.57 |
50 |
39 |
1 1.2 1.5 2 |
1.37 1.63 2.03 2.67 |
1.07 1.28 1.59 2.10 |
2.63 3.10 3.80 4.88 |
3.84 4.55 5.59 7.21 |
1.35 1.59 1.95 2.50 |
1.54 1.82 2.23 2.88 |
51 |
17 |
1 1.2 1.5 2 |
1.04 1.24 1.53 2.Ol |
0.814 0.970 1.20 1.58 |
0.418 0.488 0.584 O.723 |
2.42 2.85 3.48 4.45 |
O.4s12 0.574 O.687 O.851 |
O.947 1.12 1.36 1.75 |
54 |
28 |
l 1.2 1.5 2 |
1.26 1.50 1.86 2.45 |
0.987 1.18 1.46 1.92 |
1.33 1.57 1.90 2.43 |
3.70 4.38 5.36 6.92 |
0.949 1.12 1.36 1.73 |
1.37 1.62 1.99 2.56 |
55 |
23 |
1 1.2 1.5 2 |
1.19 1.42 1.77 2.32 |
0.937 1.12 1.39 1.82 |
0.877 1.03 1.24 1.57 |
3.44 4.07 4.98 6.41 |
0.762 O.895 1.08 1.36 |
1.25 1.48 1.81 2.33 |
35 |
l 1.2 1.5 2 2.5 |
1.38 1.65 2.05 2.70 3.34 |
1.09 1.30 1.6l 2.12 2.62 |
2.22 2.63 3.21 4.12 4.95 |
4.47 5.31 6.50 8.39 10.18 |
1.27 1.50 1.83 2.35 2.83 |
1.62 1.93 2.37 3.05 3.70 |
|
56 |
28 |
1 1.2 1.5 2 2.5 |
1.29 1.54 1.91 2.5l 3.10 |
1.01 1.21 1.50 1.97 2.44 |
1.37 1.62 1.97 2.5l 2.99 |
4.04 4.79 5.86 7.58 9.16 |
0.98l 1.16 1.41 1.79 2.13 |
1.44 1.71 2.09 2.71 3.27 |
60 |
20 |
1 1.2 1.5 2 2.5 |
1.23 1.46 1.81 2.39 2.95 |
O.962 1.15 1.42 1.88 2.3l |
0.696 O.815 O.982 1.23 1.45 |
3.97 4.70 5.75 7.41 8.95 |
0.696 O.815 O.982 1.23 1.45 |
1.32 1.57 1.92 2.47 2.99 |
30 |
1 1.2 1.5 2 2.5 |
1.38 1.65 2.05 2.70 3.34 |
1.09 1.30 I.61 2.12 2.62 |
1.70 2.01 2.45 3.12 3.73 |
4.99 5.92 7.27 9.40 11.39 |
1.14 1.34 I.63 2.08 2.49 |
1.66 1.97 2.42 3.13 3.80 |
|
64 |
32 |
1 1.2 1.5 2 2.5 |
1.48 1.77 2.19 2.89 3.57 |
1.16 1.39 1.72 2.27 2.81 |
2.08 2.46 2.99 3.83 4.60 |
6.08 7.21 8.86 11.48 13.95 |
1.39 1.53 1.87 2.39 2.87 |
1.90 2.25 2.77 3.59 4.36 |
65 |
35 |
1 1.2 1.5 2 2.5 |
1.54 1.84 2.29 3.02 3.73 |
1.21 1.44 1.80 2.37 2.93 |
2.57 3.03 3.7l 4.76 5.73 |
6.68 7.92 9.74 12.64 15.37 |
1.47 1.73 2.12 2.72 3.27 |
2.06 2.44 3.00 3.89 4.73 |
66 |
22 |
1 1.2 1.5 2 2.5 |
1.35 1.61 2.00 2.64 3.26 |
1.06 1.27 1.57 2.07 2.56 |
O.937 1.10 1.33 1.68 1.98 |
5.32 6.29 7.73 1O.00 12.40 |
0.852 1.00 1.2l 1.52 1.80 |
1.6l 1.91 2.34 3.03 3.67 |
70 |
35 |
1.5 2 2.5 |
2.40 3.17 3.93 |
1.89 2.49 3.08 |
3.96 5.09 6.12 |
11.70 15.20 18.52 |
2.26 2.91 3.50 |
3.34 4.34 5.29 |
72 |
24 |
1.5 2 2.5 |
2.19 2.89 3.57 |
1.72 2.27 2.8l |
1.75 2.2l 2.63 |
10.10 13.10 15.9l |
1.46 1.85 2.19 |
2_81 3.64 4.42 |
76 |
38 |
1.5 2 2.5 |
2.62 3.46 4.28 |
2.05 2.71 3.36 |
5.1l 6.58 7.94 |
15.02 19.59 23.9I |
2.69 3.46 4.18 |
3.95 5.16 6.29 |
80 |
40 |
1.5 2 2.5 |
2.76 3.64 4.52 |
2.16 2.86 3.55 |
5.99 7.73 9.35 |
17.62 22.97 28.03 |
3.00 3.86 4.67 |
4.41 5.74 7.Ol |
81 |
27 |
1.5 2 2.5 |
2.47 3.27 4.05 |
1.94 2.57 3.18 |
2.53 3.23 3.85 |
14.53 18.90 23.02 |
1.88 2.39 2.86 |
3.59 4.67 5.68 |
8.4 |
42 |
1.5 2 2.5 |
2.90 3.83 4.75 |
2.28 3.Ol 3.73 |
6.97 9.00 10.9l |
20.47 26.66 32.64 |
3.32 4.29 5.20 |
4.87 6.35 7.77 |
56 |
1.5 2 2.5 |
3.23 4.27 5.30 |
2.53 3.35 4.16 |
13.16 17.18 20.96 |
24.69 32.25 39.52 |
4.70 6.14 7.49 |
5.88 7.68 9.4l |
|
90 |
30 |
1.5 2 2.5 |
2.16 3.64 4.52 |
2.76 2.86 3.55 |
3.53 4.5l 5.4I |
20.08 26.16 32.01 |
2.35 3.00 3.60 |
4.46 5.81 7.11 |
注:理论质量计算
G=0.0123S(A+B一2S)
式中 G——每米钢管的质量(kg/m);
A、B——椭圆形钢管的长轴、短轴(mm);
S——椭圆形钢管的公称壁厚(mm)。
以钢的密度为7.85g/cm3的计算公式。
表6-43冷拔无缝平椭圆形钢管的尺寸规格
基本尺寸 |
截面面积F /cm2 |
理论质量C /(kg/m) |
惯性矩 |
截面系数 |
||||
A |
B |
S |
Jx |
JY |
Wx |
Wy |
||
mm |
cm4 |
cm3 |
||||||
6 |
3 |
O.8 |
0.103 |
0.0811 |
0.000985 |
O.00320 |
O.00557 |
0.0107 |
8 |
4 |
0.8 1 |
0.144 0.174 |
0.113 0.137 |
0.00277 O.00305 |
O.00851 O.00975 |
O.0138 0.0152 |
O.0213 0.0244 |
9 |
3 |
0.8 |
O.151 |
O.119 |
0.00159 |
O.Ol07 |
O.0106 |
0.0237 |
10 |
5 |
O.8 1 |
O.186 O.226 |
O.146 0.177 |
0.00598 O.00675 |
0.0178 O.0208 |
0.0239 0.0270 |
O.0357 O.0416 |
12 |
4 |
O.8 1 |
0.208 O.254 |
O.164 O.200 |
0.O0444 O.00491 |
0.0275 O.0323 |
O.0222 0.0246 |
0.0458 O.0538 |
6 |
0.8 l |
O.227 O.277 |
O.178 0.218 |
O.O111 0.0127 |
0.0323 0.0380 |
O.0369 O.0424 |
0.0538 0.0634 |
|
14 |
7 |
O.8 1 1.5 |
O.268 0.329 0.469 |
0.210 0.258 0.368 |
O.0184 0.0214 O.0268 |
0.0528 O.0630 O.0833 |
O.0527 O.0612 0.0766 |
0.0755 0.0900 O.119 |
15 |
5 |
0.8 l 1.5 |
O.266 O.326 O.465 |
0.209 O.256 O.365 |
O.00955 O.0108 O.0127 |
0.0564 0.067l O.0887 |
O.0382 0.0434 O.0510 |
O.0752 O.0895 0.118 |
16 |
8 |
O.8 1 1.5 |
O.309 0.380 O.546 |
0.243 O.298 O.429 |
0.0285 O.0335 O.0428 |
O.0810 0.0969 O.13l |
0.0713 0.0837 O.107 |
O.10l 0.12l 0.163 |
17 |
8.5 |
0.8 1 1.5 1.8 2 |
0.330 0.406 O.585 0.685 O.748 |
O.259 0.318 O.459 O.538 0.588 |
O.0347 O.0409 O.0529 O.0580 O.0606 |
O.098l O.118 0.159 O.180 O.192 |
O.0817 0.0962 0.124 0.136 O.143 |
O.115 O.139 0.188 O.212 O.226 |
18 |
6 |
O.8 1 1.5 1.8 2 |
O.323 0.397 O.572 O.670 O.731 |
0.253 O.312 O.449 0.526 0.574 |
0.0176 O.0203 0.0249 0.0264 0.0271 |
O.10l O.12l 0.164 0.184 0.196 |
0.0587 O.0677 0.0829 0.0881 O.0903 |
0.112 O.134 0.182 0.206 0.218 |
18 |
9 |
1 1.5 1.8 2 |
O.43l 0.623 O.73l O.800 |
0.339 O.489 0.574 0.628 |
0.0494 O.0643 O.0709 O.0744 |
O.141 0.193 0.218 0.233 |
O.110 0.143 0.158 O.165 |
O.157 0.214 0.242 O.259 |
20 |
lO |
1 1.5 1.8 2 |
O.483 O.701 0.824 0.903 |
O.379 O.550 O.647 O.709 |
O.0697 O.0920 0.102 O.108 |
O.198 O.272 0.3lO O.333 |
O.139 O.184 0.205 0.216 |
O.198 O.272 O.310 0.333 |
21 |
7 |
1 1.5 1.8 2 |
O.469 O.679 O.798 0.874 |
0.368 O.533 O.627 0.686 |
O.O342 O.0431 0.0466 O.0483 |
0.198 0.271 O.308 O.33l |
0.0976 O.123 O.133 O.138 |
O.188 0.258 O.294 0.315 |
2.4 |
8 |
l 1.5 1.8 2 |
O.540 O.786 O.927 1.02 |
O.424 O.617 O.727 O.798 |
O.0532 0.0686 O.0752 0.0786 |
O.302 O.419 O.480 0.516 |
O.133 0.172 0.188 O.197 |
0.251 0.349 O.400 O.430 |
12 |
l 1.5 1.8 2 |
0.586 O.855 1.Ol 1.11 |
0.460 O.671 0.792 O.870 |
0.126 O.168 0.19l O.203 |
O.35l O.491 O.564 O.609 |
0.209 0.279 O.318 O.339 |
0.293 O.409 O.470 0.508 |
|
25 |
18.5 |
1 1.5 1.8 2 |
O.680 0.996 1.18 1.30 |
O.535 O.782 O.926 1.02 |
0.3Il 0.433 O.497 0.536 |
O.473 O.667 O.770 0.833 |
O.336 0.468 O.537 0.580 |
O.379 0.533 O.616 O.666 |
26 |
13 |
l 1.5 l.8 2 |
O.637 O.932 1.10 1.21 |
O.500 0.732 0.864 0.95l |
0.162 O.22l O.250 O.267 |
O.452 0.634 O.732 0.792 |
O.249 O.340 0.385 O.411 |
O.348 O.488 O.563 O.609 |
27 |
8.5 |
1 1.5 1.8 2 |
O.606 0.885 1.05 1.15 |
O.475 O.695 O.820 O.90l |
O.0692 0.0902 0.0993 0.104 |
0.457 0.600 0.690 0.748 |
O.163 O.212 0.234 O.245 |
O.338 0.444 O.5ll 0.554 |
13.5 |
1 1.5 1.8 2 |
0.663 O.971 1.15 1.26 |
O.520 0.762 O.901 0.992 |
0.183 O.250 O.284 O.304 |
0.509 0.715 O.827 0.896 |
0.27l 0.370 O.420 0.450 |
0.377 0.530 O.612 O.664 |
|
30 |
lO |
1 1.5 2 |
0.683 1.00 1.30 |
0.536 0.786 1.02 |
O.110 0.147 O.173 |
O.608 O.857 1.07 |
O.22l 0.294 0.347 |
O.405 O.57l O.716 |
15 |
l 1.5 2 |
O.740 1.09 1.42 |
0.581 0.853 1.11 |
0.256 0.353 0.432 |
O.707 1.00 1.26 |
0.34l 0.470 O.576 |
0.472 0.667 0.840 |
|
34 |
17 |
l 1.5 2 |
0.843 1.24 1.62 |
0.662 0.973 1.27 |
O.379 0.529 O.655 |
1.04 1.49 1.88 |
0.446 O.622 0.770 |
O.614 0.874 1.11 |
36 |
12 |
1 1.5 2 |
0.826 1.22 1.59 |
O.648 0.954 1.25 |
0.198 O.270 O.325 |
1.07 1.53 1.93 |
O.33l O.449 0.542 |
O.596 O.849 1.07 |
39 |
13 |
l 1.5 2 |
0.897 1.32 1.73 |
0.704 1.04 1.36 |
0.256 O.351 O.426 |
1.37 1.97 2.50 |
O.394 0.539 O.656 |
O.705 1.0l 1.28 |
40 |
20 |
1 1.5 2 |
O.997 1.47 1.93 |
0.783 1.16 1.52 |
0.63l O.890 1.11 |
1.72 2.48 3.16 |
O.632 O.890 1.11 |
O.862 1.24 1.58 |
45 |
15 |
1 1.5 2 |
1.04 1.54 2.02 |
0.816 1.21 1.58 |
0.403 O.559 0.688 |
2.14 3.08 3.94 |
O.537 0.745 O.917 |
0.950 1.37 1.75 |
50 |
25 |
l 1.5 2 |
1.25 1.86 2.45 |
0.924 1.46 1.92 |
1.26 1.81 2.29 |
3.43 4.96 6.39 |
1.01 1.44 1.83 |
1.37 1.99 2.56 |
5l |
17 |
1 1.5 2 |
1.18 1.75 2.30 |
0.929 1.37 l.8l |
O.597 0.836 1.04 |
3.14 4.54 5.84 |
0.703 O.984 1.22 |
1.23 1.78 2.29 |
60 |
20 |
1 1.5 2 |
1.40 2.07 2.73 |
1.10 1.63 2.14 |
O.9913 1.41 1.77 |
5.17 7.52 9.72 |
0.993 1.4l 1.77 |
1.72 2.51 3.24 |
30 |
1 1.5 2 |
1.51 2.24 2.96 |
1.19 1.76 2.32 |
2.22 3.20 4.09 |
5.99 8.72 11.30 |
1.48 2.13 2.73 |
2.00 2.9l 3.77 |
|
64 |
32 |
1 1.5 2 |
1.6l 2.40 3.17 |
1.27 1.88 2.49 |
2.7l 3.9l 5.Ol |
7.29 10.7 13.8 |
1.69 2.44 3.13 |
2.28 3.33 4.32 |
66 |
22 |
l 1.5 2 |
1.54 2.29 3.02 |
1.2l 1.80 2.37 |
1.34 1.90 2.40 |
6.92 10.1 13.1 |
1.22 1.73 2.18 |
2.10 3.06 3.97 |
69 |
17 |
1 1.5 2 |
1.54 2.29 3.02 |
1.2l 1.80 2.37 |
O.828 1.16 1.45 |
7.2,4 10.6 13.7 |
0.974 1.37 1.70 |
2.10 3.06 3.97 |
70 |
35 |
1 1.5 2 |
1.77 2.63 3.47 |
1.39 2.06 2.73 |
3.57 5.17 6.65 |
9.58 14.O 18.2 |
2.04 2.95 3.80 |
2.74 4.00 5.2l |
72 |
24 |
1.5 2 2.5 |
2.50 3.30 4.09 |
1.96 2.59 3.21 |
2.50 3.17 3.78 |
13.2 17.2 20.9 |
2.08 2.64 3.15 |
3.67 4.76 5.8I |
80 |
40 |
1.5 2 2.5 |
3.Ol 3.99 4.95 |
2.37 3.13 3.88 |
7.82 10.1 12.2 |
21.1 27.6 33.7 |
3.9l 5.05 6.12 |
5.28 6.89 8.43 |
81 |
27 |
1.5 2 2.5 |
2.82 3.73 4.62 |
2.22 2.93 3.63 |
3.62 4.62 5.53 |
19.0 24.7 30.2 |
2.68 3.42 4.09 |
4.68 6.10 7.45 |
90 |
30 |
1.5 2 2.5 |
3.14 4.16 5.16 |
2.47 3.27 4.05 |
5.03 6.45 7.75 |
26.2 34.2 41.9 |
3.35 4.30 5.17 |
5.81 7.59 9.31 |
注:理论质量计算
G=0.0157S(A+0.5708B一1.5708S)
式中 G——每米钢管的质量(kg/m)
A、B——平椭圆钢管的长与宽(mm);
S——平椭圆钢管的公称壁厚(mm)。
以钢的密度为7.85g/cm3的计算公式。
表6-44冷拔无缝内外六角形钢管的尺寸规格
基本尺寸 |
截面面积F /cm2 |
理论质量C /(kg/m) |
惯性矩 |
截面系数 |
||
B |
S |
Jx=JY |
Wx |
Wy |
||
mm |
cm4 |
cm3 |
||||
8 |
1.5 2 |
0.320 0.383 |
0.251 O.301 |
O.0201 0.0218 |
0.0503 O.0544 |
O.0436 O.047l |
10 |
1.5 2 |
O.424 O.522 |
O.333 0.4lO |
O.0445 O.0503 |
O.0890 O.101 |
O.077l 0.0871 |
12 |
1.5 2 |
0.527 O.661 |
0.414 0.519 |
0.0835 O.0970 |
O.139 0.162 |
O.12l 0.140 |
14 |
1.5 2 |
0.63l 0.799 |
0.496 O.627 |
O.14l O.167 |
O.20l O.238 |
O.174 0.206 |
17 |
1.5 2 2.5 3 |
O.787 1.01 1.20l 1.38 |
0.618 0.791 O.946 1.09 |
0.268 0.324 O.368 O.401 |
O.315 0.382 0.433 O.47l |
0.273 O.33l O.375 O.408 |
19 |
1.5 2 2.5 3 |
0.891 1.15 1.38 1.59 |
O.700 0.899 1.08 1.25 |
O.385 O.472 O.541 O.595 |
O.406 O.496 O.569 0.626 |
O.351 O.430 0.493 O.542 |
22 |
1.5 2 2.5 3 |
1.05 1.35 1.64 1.90 |
O.822 1.06 1.29 1.49 |
O.619 O.767 0.89l O.992 |
0.563 O.697 0.8lO 0.902 |
O.488 O.604 O.70l O.78l |
24 |
2 2.5 3 4 |
1.49 1.81 2.1l 2.64 |
1.17 1.42 1.66 2.07 |
1.02 1.19 1.34 1.55 |
0.85l O.994 1.11 1.29 |
O.737 0.861 0.965 1.12 |
27 |
2 2.5 3 3.5 4 |
1.70 2.07 2.42 2.75 3.06 |
1.33 1.63 1.90 2.16 2.40 |
1.50 1.76 1.99 2.19 2.35 |
1.11 1.31 1.48 1.62 1.74 |
0.96l 1.13 1.28 1.40 1.51 |
30 |
2 2.5 3 3.5 4 |
1.9l 2.33 2.73 3.11 3.47 |
1.50 1.83 2.15 2.44 2.73 |
2.10 2.49 2.83 3.13 3.39 |
1.40 1.66 1.89 2.09 2.26 |
1.2l 1.44 1.64 1.8l 1.96 |
32 |
2 2.5 3 3.5 4 |
2.05 2.50 2.94 3.36 3.75 |
1.6l 1.9r7 2.3l 2.63 2.94 |
2.59 3.08 3.51 3.89 4.22 |
1.62 1.92 2.19 2.43 2.64 |
1.40 1.66 1.90 2.11 2.29 |
36 |
2 2.5 3 3.5 4 |
2.32 2.85 3.36 3.84 4.31 |
1.82 2.24 2.64 3.02 3.38 |
3.77 4.50 5.17 5.76 6.29 |
2.09 2.50 2.87 3.20 3.50 |
1.8l 2.17 2.49 2.77 3.03 |
4l |
3 3.5 4 4.5 5 |
3.88 4.45 5.00 5.53 6.03 |
3.04 3.49 3.92 4.34 4.74 |
7.89 8.85 9.72 10.51 11.22 |
3.85 4.32 4.74 5.13 5.47 |
3.33 3.74 4.11 4.44 4.74 |
46 |
3 3.5 4 4.5 5 |
4.40 5.05 5.69 6.3l 6.90 |
3.45 3.97 4.47 4.95 5.42 |
11.43 12.88 14.21 15.43 16.55 |
4.97 5.60 6.18 6.71 7.19 |
4.30 4.85 5.35 5.81 6.23 |
55 |
3 3.5 4 4.5 5 |
5.33 6.15 6.94 7.71 8.46 |
4.19 4.82 5.45 6.05 6.64 |
20.22 22.9l 25.42 27.78 29.97 |
7.35 8.33 9.25 10.10 1O.90 |
6.37 7.21 8.0l 8.75 9.44 |
65 |
3 3.5 4 4.5 5 |
6.37 7.36 8.32 9.27 10.19 |
5.00 5.78 6.53 7.28 8.00 |
34.28 39.02 43.51 47.75 51.76 |
10.55 12.00 13.39 14.69 15.93 |
9.13 lO.40 11.59 12.72 13.79 |
75 |
4 4.5 5 5.5 6 |
9.71 lO.83 11.92 13.oo 14.05 |
7.62 8.50 9.36 10.20 11.03 |
68.62 75.57 82.18 88.48 94.47 |
18.30 20.15 21.92 23.59 25.19 |
15.85 17.45 18.98 20.43 21.82 |
85 |
4 4.5 5 5.5 6 |
11.09 12.39 13.65 14.90 16.13 |
8.7l 9.72 10.72 11.70 12.66 |
101.9 112.5 122.7 132.4 141.8 |
23.98 26.47 28.87 31.16 33.36 |
20.77 22.93 25.00 26.98 28.89 |
95 |
4 4.5 5 5.5 6 |
12.48 13.94 15.89 16.81 18.2l |
9.80 10.95 12.08 13.19 14.29 |
144.5 159.9 174.7 189.0 202.7 |
30.43 33.66 36.78 39.78 42.67 |
26.35 29.15 31.85 34.45 36.95 |
105 |
4 4.5 5 5.5 6 |
13.87 15.50 17.12 18.7l 20.29 |
10.88 12.17 13.44 14.69 15.92 |
197.7 219.0 239.7 259.7 279.O |
37.65 41.72 45.66 49.46 53.14 |
32.60 36.13 39.54 42.84 46.02 |
注:理论质量计算
G=0.02719S(B一1.2327S)
式中 G——每米钢管的质量(kg/m);
B——六角钢管的对边距离(mm)
S——六角钢管的公称壁厚(mm)。
以钢管R=1.5S时,钢的密度为7.85/cm3的计算公式。
表6-45冷拔无缝直角梯形钢管的尺寸规格
基本尺寸 |
截面面积F /cm2 |
理论质量G /(kg/m) |
惯性矩 |
截面系数 |
|||||
A |
B |
H |
S |
Jx |
Jx1 |
WxB |
WxA |
||
mm |
cm4 |
cm3 |
|||||||
25 |
lO |
30 |
2 |
1.68 |
1.32 |
1.88 |
6.5l |
1.09 |
5.06 |
30 |
25 |
20 |
2 |
1.68 |
1.32 |
1.0l |
3.89 |
0.980 |
4.0l |
30 |
1.5 |
1.59 |
1.25 |
2.13 |
8.25 |
1.38 |
5.67 |
||
32 |
25 |
20 |
2 |
1.72 |
1.35 |
1.04 |
3.95 |
0.998 |
4.12 |
35 |
20 |
35 |
1.8 |
2.07 |
1.62 |
3.56 |
12.95 |
1.87 |
8.14 |
30 |
25 |
2 |
2.09 |
1.64 |
2.00 |
7.75 |
1.56 |
6.36 |
|
25 |
30 |
2 |
2.18 |
1.71 |
2.88 |
10.82 |
1.82 |
7.63 |
|
45 |
40 |
60 |
1.5 |
2.95 |
2.31 |
15.42 |
60.42 |
5.04 |
20.54 |
32 |
50 |
1.8 |
3.01 |
2.36 |
10.90 |
41.09 |
4.13 |
17.42 |
|
50 |
40 |
35 |
1.5 |
2.27 |
1.78 |
4.55 |
17.42 |
2.51 |
10.33 |
30 |
1.5 |
2.12 |
1.66 |
3.19 |
12.20 |
2.05 |
8.45 |
||
30 |
1.7 |
2.39 |
1.87 |
3.55 |
13.57 |
2.28 |
9.40 |
||
35 |
60 |
2.2 |
4.25 |
3.34 |
21.65 |
81.50 |
6.82 |
28.86 |
|
45 |
30 |
1.2 |
1.77 |
1.39 |
2.76 |
10.79 |
l.81 |
7.32 |
|
1.4 |
2.05 |
1.61 |
3.16 |
12.36 |
2.07 |
8.39 |
|||
1.7 |
2.47 |
1.94 |
3.73 |
14.60 |
2.45 |
9.9l |
|||
1.8 |
2.6l |
2.05 |
3.92 |
15.32 |
2.57 |
lO.40 |
|||
2 |
2.89 |
2.27 |
4.27 |
16.71 |
2.80 |
11.34 |
|||
40 |
1.8 |
2.97 |
2.33 |
7.62 |
29.85 |
3.74 |
15.19 |
||
53 |
48 |
47 |
1.7 |
3.16 |
2.48 |
11.07 |
43.45 |
4.64 |
18.80 |
55 |
50 |
40 |
1.8 |
3.15 |
2.48 |
8.29 |
32.48 |
4.07 |
16.50 |
60 |
55 |
50 |
1.5 |
3.10 |
2.43 |
12.66 |
49.77 |
4.99 |
20.02 |
注:理论质量计算
a
G=(2hs+AS+BS- —————+O.01746a一4.7529S2)0.00785
a
tan ——
2
H
a=asctan—————
A-B
式中 G——每米钢管的质量(kg/m);
A——直角梯形钢管的下底(mm);
B——直角梯形钢管的上底(mm);
H——直角梯形钢管的高(mm);
S——直角梯形钢管的公称壁厚(mm)。
以上钢管R=1.5S时,钢的密度为7.85g/cm3的计算公式。
(2)允许偏差见表6-46、表6-47
表6-46冷拔无缝异型钢管的尺寸允许偏差
尺寸/mm |
精确度 |
边凹凸度 |
壁厚 /mm |
精确度 |
|||
普通级 |
高级 |
普通级 |
高级 |
普通级 |
高级 |
||
边长≤30 |
±0.3mm |
士O.2mm |
0.2mm |
0.1mm |
≤1 |
±O.18mm |
士O.12mm |
>30~50 |
±0.4mm |
±0.3mm |
0.3mm |
O.15mm |
>l~3 |
+15% -10% |
+12% -10% |
>50~75 |
±O.8% |
±0.7% |
O.8% |
0.5% |
>3 |
+12% -10% |
±10% |
>75 |
±l% |
士O.8% |
O.9% |
O.6% |
注:1.钢管通常长度为1.5-9m。
2.精度等级应在合同中注明,如未注明则按普通级供应。
3.经供需双方协议,壁厚≥4mm的钢管允许偏差亦可按:+12.5%
-15% 交货。
表6-47冷拔无缝异型钢管的弯曲度和扭转值
钢管的弯曲度 |
对方形、矩形、直角梯形钢管的扭转值 |
|||
精度等级 |
弯曲度/(mm/m) |
总弯曲度(%) |
钢管边长/mm |
每米钢管允许最大扭转值/mm |
普通级 |
≤5 |
≤O.5 |
≤30 |
1.5 |
>30~50 |
2.0 |
|||
高级 |
≤3 |
≤0.3 |
>50~75 |
2.5 |
>75 |
3.O |
(3)力学性能见表6-48。
表6-48冷拔无缝异型钢管的力学性能
牌 号 |
抗拉强度ób/MPa |
屈服点ó s/MPa |
伸长率δ 5(%) |
≥ |
|||
10 |
335 |
205 |
24 |
15 |
375 |
225 |
22 |
20 |
390 |
245 |
20 |
25 |
450 |
275 |
19 |
30 |
490 |
285 |
18 |
35 |
5lO |
305 |
17 |
40 |
550 |
315 |
15 |
45 |
590 |
335 |
14 |
50 |
620 |
355 |
12 |
09MnV |
430 |
2915 |
22 |
16Mn |
510 |
345 |
21 |
15MnV |
530 |
390 |
18 |
注:1.冷拔无缝异型钢管适用于制作各种结构件及零件。
2.牌号及化学成分应符合GB/T699《优质碳素结构钢》及GB/T159l《低合金结构钢》的规定。