无缝钢管外径内径对照表.doc

1、最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！最新热轧无缝钢管理论重量规格表大全壁 厚（毫米）2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5外径(毫米)理 论 重 量 （公斤/米）32 1.82 2.15 2.46 2.76 3.05 3.33 3.59 3.85 4.09 4.32 4.5338 2.19 2.59 2.98 3.35 3.72 4.07 4.41 4.74 5.05 5.35 5.6442 2.44 2.89 3.35 3.75 4.16 4.56 4.95 5.33 5.69

2、 6.04 6.3845 2.62 3.11 3.58 4.04 4.49 4.93 5.36 5.77 6.17 6.56 6.9450 2.93 3.48 4.01 4.54 5.05 5.55 6.04 6.51 6.97 7.42 7.8654 - 3.77 4.36 4.93 5.49 6.04 6.58 7.10 7.61 8.11 8.6057 - 4.00 4.62 5.23 5.83 6.41 6.99 7.55 8.10 8.63 9.1660 - 4.22 4.88 5.52 6.16 6.78 7.39 7.99 8.58 9.15 9.7163.5 - 4.48 5.

3、18 5.87 6.55 7.21 7.87 8.51 9.14 9.75 10.3668 - 4.81 5.57 6.31 7.05 7.77 8.48 9.17 9.86 10.53 11.1970 - 4.96 5.74 6.51 7.27 8.01 8.75 9.47 10.18 10.88 11.5673 - 5.18 6.00 6.81 7.60 8.38 9.16 9.91 10.66 11.39 12.1176 - 5.40 6.26 7.10 7.93 8.75 9.56 10.36 11.14 11.91 12.6783 - - 6.86 7.79 8.71 9.62 10

4、.51 11.39 12.26 13.12 13.9689 - - 7.38 8.38 9.38 10.36 11.33 12.28 13.22 14.16 15.0795 - - 7.90 8.98 10.04 11.10 12.14 13.17 14.19 15.19 16.18102 - - 8.50 9.67 10.82 11.96 13.09 14.21 15.31 16.40 17.48108 - - - 10.26 11.49 12.70 13.90 15.09 16.27 17.44 18.59114 - - - 10.85 12.15 13.44 14.72 15.98 17

5、.23 18.47 19.70121 - - - 11.54 12.93 14.30 15.67 17.02 18.35 19.68 20.99127 - - - 12.13 13.59 15.04 16.48 17.90 19.32 20.72 22.10133 - - - 12.73 14.26 15.78 17.29 18.79 20.28 21.75 23.21140 - - - - 15.04 16.65 18.24 19.83 21.40 22.96 24.51146 - - - - 15.70 17.39 19.06 20.72 22.36 24.00 25.62152 - -

6、- - 16.37 18.13 19.87 21.60 23.32 25.03 26.73159 - - - - 17.15 18.99 20.82 22.64 24.45 26.24 28.02168 - - - - - 20.10 22.04 23.97 25.89 27.79 29.69180 - - - - - 21.59 23.70 25.75 27.70 29.87 31.91194 - - - - - 23.31 25.60 27.82 30.00 32.28 34.50203 - - - - - - - 29.14 31.50 33.83 36.16219 - - - - -

7、- - 31.52 34.06 36.60 39.12245 - - - - - - - - 38.23 41.09 43.85273 - - - - - - - - 42.64 45.92 49.10299 - - - - - - - - - - 53.91325 - - - - - - - - - - 58.74壁 厚（毫米）8 8.5 9 9.5 10 11 12 13 14 15外径(毫米)理 论 重 量 （公斤/米）最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！42 6.71 7.02 7.32 7.60

8、7.88 - - - - -45 7.30 7.65 7.99 8.32 8.63 - - - - -50 8.29 8.70 9.10 9.49 9.86 - - - - -54 9.08 9.54 9.99 10.43 10.85 11.67 - - - -57 9.67 10.17 10.65 11.13 11.59 12.48 13.32 14.11 - -60 10.26 10.80 11.32 11.83 12.33 13.29 14.21 15.07 15.88 -63.5 10.95 11.53 12.10 12.65 13.19 14.24 15.24 16.19 17.09

9、 -68 11.84 12.47 13.10 13.71 14.30 15.46 16.57 17.63 18.64 19.6170 12.23 12.89 13.54 14.17 14.80 16.01 17.17 18.27 19.33 20.3573 12.82 13.52 14.21 14.88 15.54 16.82 18.05 19.24 20.37 21.4676 13.42 14.15 14.87 15.58 16.28 17.63 18.94 20.20 21.41 22.5783 14.80 15.62 16.42 17.22 18.00 19.53 21.02 22.44

10、 23.82 25.1589 15.98 16.87 17.76 18.63 19.48 21.16 22.79 24.37 25.89 27.3795 17.16 18.13 19.09 20.03 20.96 22.79 24.56 26.29 27.97 29.59102 18.55 19.60 20.64 21.67 22.69 24.69 26.53 28.63 30.38 32.18108 19.73 20.86 21.97 23.08 24.17 26.31 28.41 30.46 32.45 34.40114 20.91 22.12 23.31 24.48 25.65 27.9

11、4 30.19 32.38 34.53 36.62121 22.29 23.58 24.86 26.12 27.37 29.84 32.26 34.62 36.94 39.21127 23.48 24.84 26.19 27.53 28.85 31.47 34.03 36.55 39.01 41.43133 24.66 26.10 27.52 28.93 30.33 33.10 35.81 38.47 41.09 43.65140 26.04 27.57 29.08 30.57 32.06 34.99 37.88 40.72 43.50 46.24146 27.23 28.82 30.41 3

12、1.98 33.54 36.62 39.66 42.64 45.57 48.46152 28.41 30.08 31.74 33.39 35.02 38.25 41.43 44.56 47.65 50.68159 29.79 31.55 33.29 35.03 36.75 40.15 43.50 46.81 50.06 53.27168 31.57 33.43 35.29 37.13 38.97 42.59 46.17 49.69 53.17 56.60180 33.93 35.95 37.95 39.95 41.92 45.85 49.72 53.54 57.31 61.04194 36.7

13、0 38.89 41.06 43.23 45.38 49.64 53.86 58.03 62.15 66.22203 38.47 40.77 43.05 45.33 47.59 52.08 56.52 60.91 65.94 69.54219 41.63 44.12 46.61 49.08 51.54 56.43 61.26 66.04 70.78 75.46245 46.76 49.56 52.38 55.17 57.95 63.48 68.95 74.38 79.76 83.08273 52.28 55.45 58.60 61.73 64.86 71.07 77.24 83.36 89.4

14、2 95.44299 57.41 60.89 64.37 67.83 71.27 78.13 84.93 91.69 98.40 105.06325 62.54 66.35 70.14 73.92 77.68 85.18 92.63 100.03 107.38 114.68351 67.67 71.80 75.91 80.01 84.10 92.23 100.32 108.36 116.35 124.29377 - - 81.68 86.10 90.51 99.29 108.02 117.00 125.33 133.91402 - - 87.21 91.95 96.67 106.06 115.

15、41 124.71 133.94 143.15426 - - 92.55 97.57 102.59 112.58 122.52 132.41 142.25 152.04450 - - 97.87 103.20 108.50 119.08 130.61 140.09 150.52 160.90(465) - - 101.10 116.48 112.20 123.15 134.05 144.90 155.70 166.46480 - - 104.52 110.22 115.90 127.22 139.49 149.71 160.88 172.00500 - - 108.96 114.91 120.

16、83 132.65 145.41 156.12 167.79 179.40530 - - 115.62 121.94 128.83 140.78 154.29 165.74 178.14 190.50最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！(550) - - 120.07 126.62 133.10 146.21 159.20 172.15 185.05 197.90560 - - 122.28 128.97 135.63 148.92 163.16 175.36 188.50 201.60600 - - 13

17、1.17 138.34 145.50 159.78 175.00 188.18 202.31 216.39630 - - 137.81 145.36 152.89 167.91 183.88 197.80 212.67 227.49壁 厚（毫米）16 17 18 19 20 22 (24) 25 (26) 28外径( 毫米)理 论 重 量 （公斤/米）68 20.52 - - - - - - - - -70 21.31 - - - - - - - -73 22.49 23.48 24.41 25.30 - - - - - -76 23.68 24.74 25.75 26.71 - - - -

18、- -83 26.44 27.67 28.85 29.99 - - - - - -89 28.80 30.19 31.52 32.80 34.03 36.35 38.47 - - -95 31.17 32.70 34.18 35.61 36.99 39.61 42.02 - - -102 33.93 35.64 37.29 38.89 40.44 43.40 46.17 - - -108 36.30 38.15 39.95 41.70 43.40 46.66 49.72 51.17 52.58 55.24114 38.67 40.67 42.62 44.51 46.36 49.91 53.27

19、 54.87 56.43 59.38121 41.43 43.60 45.72 47.79 49.82 53.71 57.41 59.19 60.91 64.22127 43.80 46.12 48.39 50.61 52.78 56.97 60.96 62.89 64.76 68.36133 46.17 48.63 51.05 53.42 55.73 60.22 64.51 66.59 68.61 72.50140 48.93 51.57 54.16 56.70 59.19 64.02 68.66 70.90 73.10 77.34146 51.30 54.08 56.82 59.51 62

20、.15 67.27 72.21 74.60 76.94 81.48152 53.66 56.60 59.48 62.32 65.11 70.59 75.76 78.30 80.79 85.62159 56.43 59.53 62.59 65.60 68.56 74.33 79.90 82.62 85.28 90.46168 59.98 63.31 66.59 69.82 73.00 79.21 85.23 88.16 91.05 96.67180 64.71 68.34 71.91 75.44 78.92 85.72 92.33 95.56 98.74 104.96194 70.24 74.2

21、1 78.13 82.00 85.28 93.32 100.62 104.19 107.72 114.63203 73.78 77.97 82.12 86.21 90.26 98.20 105.94 109.74 113.49 120.83219 80.10 84.69 89.23 93.71 98.15 106.88 115.42 119.61 123.75 131.89245 90.36 95.59 100.77 105.90 110.98 120.99 130.80 135.64 140.42 149.84273 101.41 107.33 113.20 119.02 124.79 13

22、6.18 147.38 152.90 158.38 169.18299 111.67 118.23 124.74 131.20 137.61 150.29 162.77 168.93 175.05 187.13325 121.93 129.12 136.28 143.38 150.44 164.39 178.15 184.96 191.72 205.09351 132.19 140.03 147.82 155.56 163.26 178.50 193.54 200.99 208.39 223.04377 142.44 150.93 159.36 167.75 176.08 192.61 208

23、.93 217.02 225.06 240.99402 152.30 161.40 170.45 179.45 188.40 206.16 223.72 232.42 241.08 258.24426 161.78 171.47 181.11 190.71 200.25 219.19 237.93 247.23 256.48 274.83450 171.24 181.52 191.76 201.94 212.08 232.20 252.12 262.01 271.85 291.38(465) 177.16 187.81 198.41 208.97 219.47 240.34 261.00 27

24、1.26 281.47 301.74480 183.08 194.10 205.07 216.00 226.87 248.47 269.88 280.51 291.09 312.10500 190.97 202.48 213.95 225.37 236.74 259.32 281.72 292.84 303.91 325.91最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！530 202.80 215.06 227.27 239.42 251.53 275.60 299.47 317.50 323.14 346.62(

25、550) 210.70 223.44 236.14 248.80 261.40 286.45 311.31 323.66 335.97 360.43560 214.64 227.64 240.58 253.48 266.33 291.88 317.23 - - -600 230.42 244.40 258.34 272.22 286.06 313.58 340.90 - - -630 242.26 256.98 271.66 286.28 300.85 329.85 358.66 - - -壁 厚（毫米）30 32 (34) (35) 36 (38) 40 (42) (45)外径(毫米)理 论

26、 重 量 （公斤/米）127 71.76 - - - - - - - -133 76.20 79.71 - - - - - - -140 81.38 85.23 88.88 90.63 92.33 - - - -146 85.82 89.97 93.91 95.81 97.66 - - - -152 90.26 94.70 98.94 100.99 102.99 - - - -159 95.44 100.22 104.81 107.03 109.20 - - - -168 102.10 107.33 112.36 114.80 117.19 121.83 126.27 130.51 136.5

27、0180 110.98 116.80 122.42 125.16 127.85 133.07 138.10 142.94 149.82194 121.33 127.85 134.16 137.24 140.27 146.19 151.91 157.44 165.36203 127.99 134.94 141.70 145.00 148.26 154.62 160.78 166.75 175.33219 139.83 147.57 155.12 158.82 162.47 169.62 176.58 183.33 193.10245 159.07 168.09 176.92 181.26 185

28、.55 193.99 202.22 210.26 221.95273 179.78 190.19 200.40 205.43 210.41 220.23 229.85 239.27 253.03299 199.02 210.71 222.20 227.87 233.50 244.59 255.49 266.20 281.88325 218.25 231.23 244.00 250.31 256.53 268.94 281.14 293.13 310.73351 237.49 251.74 265.80 272.76 279.66 293.32 306.76 320.06 339.59377 2

29、56.73 272.26 287.61 295.20 302.77 317.69 332.44 346.99 368.44402 275.21 291.18 308.55 316.76 324.92 341.10 357.08 372.86 396.16426 292.98 310.93 328.69 337.49 346.27 363.61 380.77 397.74 422.82450 310.72 329.84 348.79 358.19 367.53 386.08 404.42 422.56 449.43(465) 321.81 341.69 361.37 371.13 380.85

30、400.13 419.22 438.11 466.07480 332.91 353.52 373.94 384.08 394.17 414.19 436.01 453.64 482.72500 347.71 369.30 390.71 401.34 411.92 432.93 453.74 474.35 504.91530 369.90 92.92 415.87 427.23 438.55 461.04 483.34 505.42 538.20(550) 384.70 406.76 432.64 444.30 456.31 479.79 503.06 526.15 560.40壁 厚（毫米）(

31、48) 50 56 60 63 (65) 70 75外径(毫米)理 论 重 量 （公斤/米）203 183.47 188.65 - - - - - -219 202.41 208.38 - - - - - -245 233.25 240.44 - - - - - -273 266.40 274.96 - - - - - -最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！299 297.10 307.02 335.57 353.62 366.64 375.08 395.30 414.29325 327.90 339.10

32、 371.49 392.09 407.04 416.75 440.34 462.28351 358.68 371.16 407.40 430.59 447.43 458.43 485.24 510.46377 389.45 403.22 442.30 469.06 484.82 500.14 529.98 558.55402 419.02 434.01 477.81 506.02 526.66 540.17 573.10 604.79426 447.46 463.64 510.97 541.57 560.47 578.68 614.56 649.21450 475.84 493.20 544.

33、10 577.04 601.24 617.12 655.96 693.56(465) 493.59 511.70 564.83 599.24 624.54 641.16 681.84 721.31480 511.35 530.19 585.53 621.43 632.31 665.20 707.74 749.05500 535.02 554.85 613.15 651.02 678.91 697.26 742.27 786.04530 570.53 591.84 654.58 695.41 725.52 745.35 794.05 841.52(550) 594.21 616.50 682.1

34、9 725.00 756.59 777.41 828.58 878.51注：1、括号内的尺寸不推荐使用。2、钢管长度：312.5 米。最新冷拔无缝钢管理论重量规格表大全壁 厚（毫米）0.25 0.30 0.40 0.50 0.60 0.80 1.0 1.2 1.4外径(毫米)理 论 重 量 （公斤/米）5 0.0292 0.0348 0.0454 0.055 0.065 0.083 0.099 0.112 0.1246 0.0354 0.0421 0.055 0.068 0.080 0.103 0.123 0.142 0.1597 0.0416 0.0496 0.065 0.080 0.095

35、 0.122 0.148 0.172 0.1938 0.0477 0.057 0.075 0.092 0.110 0.142 0.173 0.202 0.2279 0.054 0.064 0.085 0.105 0.125 0.162 0.197 0.231 0.26210 0.060 0.072 0.095 0.117 0.139 0.182 0.222 0.261 0.29611 0.066 0.079 0.105 0.129 0.154 0.201 0.247 0.290 0.33112 0.072 0.087 0.115 0.142 0.169 0.221 0.271 0.320 0.

36、365(13) 0.079 0.094 0.124 0.154 0.184 0.241 0.296 0.349 0.40014 0.085 0.101 0.134 0.166 0.199 0.260 0.321 0.379 0.434(15) 0.091 0.109 0.144 0.179 0.214 0.280 0.345 0.409 0.46816 0.097 0.116 0.154 0.191 0.228 0.300 0.370 0.438 0.503(17) 0.103 0.124 0.164 0.203 0.244 0.320 0.395 0.468 0.53718 0.109 0.

37、131 0.174 0.216 0.258 0.340 0.419 0.497 0.572(19) 0.115 0.138 0.183 0.228 0.274 0.359 0.444 0.527 0.60620 0.122 0.146 0.193 0.240 0.288 0.379 0.469 0.556 0.642(21) - - 0.203 0.253 0.303 0.399 0.493 0.586 0.67522 - - 0.212 0.265 0.318 0.419 0.518 0.616 0.710(23) - - 0.222 0.277 0.333 0.438 0.543 0.64

38、5 0.745(24) - - 0.236 0.290 0.347 0.458 0.567 0.674 0.77925 - - 0.242 0.302 0.363 0.478 0.592 0.703 0.813(27) - - 0.262 0.327 0.392 0.516 0.641 0.762 0.88228 - - 0.272 0.340 0.406 0.536 0.666 0.792 0.91629 - - 0.282 0.352 0.418 0.553 0.691 0.823 0.951最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电

39、议，我的资料里有联系方式！30 - - 0.292 0.364 0.436 0.576 0.715 0.851 0.98632 - - 0.311 0.389 0.466 0.615 0.765 0.910 1.0534 - - 0.331 0.413 0.496 0.655 0.814 0.968 1.12(35) - - 0.341 0.426 0.510 0.675 0.838 0.998 1.1636 - - 0.350 0.438 0.525 0.695 0.863 1.03 1.1938 - - 0.370 0.464 0.555 0.734 0.912 1.09 1.2640 -

40、 - 0.390 0.494 0.585 0.774 0.962 1.15 1.3342 - - - - - - 1.01 -1.21 1.4144.5 - - - - - - 1.07 -1.28 1.4845 - - - - - - 1.09 1.30 1.5148 - - - - - - 1.16 1.38 1.6150 - - - - - - 1.21 1.44 1.68(51) - - - - - - 1.23 1.47 1.7153 - - - - - - 1.28 1.53 1.78(54) - - - - - - 1.31 1.59 1.8256 - - - - - - 1.3

41、6 1.62 1.89(57) - - - - - - 1.38 1.65 1.9260 - - - - - - 1.46 1.74 2.0263 - - - - - - 1.53 1.83 2.1365 - - - - - - 1.58 1.89 2.20(68) - - - - - - 1.65 1.98 2.3070 - - - - - - 1.70 2.03 2.37(73) - - - - - - 1.78 2.12 2.4775 - - - - - - 1.82 2.18 2.54壁 厚（毫米）1.5 1.6 1.8 2.0 2.2 2.5 2.8 3.0 3.2外径(毫米)理 论

42、 重 量 （公斤/米）5 0.129 0.134 - - - - - - -6 0.166 0.174 0.186 0.197 - - - - -7 0.203 0.213 0.230 0.247 0.260 0.277 - - -8 0.240 0.253 0.275 0.296 0.315 0.339 - - -9 0.277 0.292 0.319 0.345 0.369 0.401 0.427 - -10 0.314 0.332 0.363 0.395 0.423 0.462 0.496 0.518 0.53611 0.351 0.371 0.407 0.444 0.477 0.524

43、 0.566 0.592 0.61512 0.388 0.411 0.452 0.493 0.532 0.586 0.635 0.666 0.694(13) 0.425 0.451 0.496 0.543 0.585 0.647 0.703 0.740 0.77414 0.462 0.490 0.541 0.592 0.640 0.709 0.772 0.814 0.852(15) 0.499 0.529 0.585 0.641 0.694 0.771 0.841 0.888 0.93216 0.536 0.568 0.629 0.691 0.747 0.832 0.910 0.962 1.0

44、1(17) 0.573 0.608 0.674 0.740 0.802 0.894 0.980 1.04 1.0918 0.610 0.647 0.717 0.789 0.856 0.956 1.05 1.11 1.17最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！(19) 0.647 0.687 0.762 0.838 0.910 1.02 1.12 1.18 1.2520 0.684 0.726 0.806 0.888 0.965 1.08 1.19 1.26 1.33(21) 0.721 0.767 0.851

45、 0.937 1.02 1.14 1.26 1.33 1.4122 0.758 0.806 0.895 0.986 1.07 1.20 1.33 1.41 1.49(23) 0.795 0.846 0.940 1.04 1.13 1.26 1.39 1.48 1.57(24) 0.832 0.885 0.984 1.09 1.18 1.33 1.46 1.55 1.6425 0.869 0.925 1.03 1.13 1.24 1.39 1.53 1.63 1.72(27) 0.943 1.00 1.12 1.23 1.34 1.51 1.67 1.78 1.8828 0.980 1.04 1

46、.16 1.28 1.40 1.57 1.74 1.85 1.9629 1.02 1.08 1.22 1.33 1.47 1.63 1.83 1.92 2.0230 1.05 1.12 1.25 1.38 1.51 1.70 1.88 2.00 2.1232 1.13 1.20 1.34 1.48 1.62 1.82 2.02 2.15 2.2834 1.20 1.28 1.43 1.58 1.72 1.94 2.15 2.29 2.43(35) 1.24 1.32 1.47 1.63 1.78 2.00 2.22 2.37 2.5136 1.28 1.36 1.52 1.68 1.83 2.

47、07 2.29 2.44 2.5938 1.35 1.44 1.61 1.78 1.94 2.19 2.43 2.59 2.7540 1.42 1.52 1.69 1.87 2.05 2.31 2.56 2.74 2.9142 1.50 1.60 1.79 1.97 2.16 2.44 2.70 2.89 3.0744.5 1.59 1.65 1.88 2.10 2.29 2.59 2.89 3.07 3.2545 1.61 1.71 1.91 2.12 2.32 2.62 2.91 3.11 3.3148 1.72 1.83 2.05 2.27 2.48 2.81 3.11 3.33 3.5

48、450 1.79 1.91 2.14 2.37 2.59 2.93 3.25 3.48 3.70(51) 1.83 1.96 2.18 2.42 2.64 2.99 3.32 3.55 3.7953 1.91 2.03 2.27 2.52 2.76 3.11 3.46 3.70 3.94(54) 1.94 2.07 2.31 2.56 2.81 3.18 3.53 3.77 4.0256 2.02 2.15 2.40 2.66 2.92 3.30 3.66 3.92 4.17(57) 2.05 2.18 2.45 2.71 2.97 3.36 3.74 4.00 4.2560 2.16 2.3

49、1 2.58 2.86 3.13 3.55 3.94 4.22 4.4963 2.27 2.42 2.71 3.01 3.30 3.72 4.15 4.44 4.7365 2.35 2.50 2.80 3.11 3.40 3.85 4.29 4.59 4.89(68) 2.46 2.62 2.93 3.26 3.57 4.04 4.49 4.81 5.1270 2.53 2.70 3.02 3.35 3.68 4.16 4.63 4.96 5.28(73) 2.64 2.82 3.16 3.50 3.84 4.35 4.84 5.18 5.5275 2.71 2.90 3.24 3.60 3.95 4.46 4.97 5.32 5.68壁 厚（毫米）3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5外径(毫米)理 论 重 量 （公斤/米）5 - - - - - - - - -6 - - - - - - - - -7 - - - - - - - - -8 - - - - - - - - -9 - - - - - - - - -最新无缝钢管外径内径尺寸对照表大全无缝钢管外径内径尺寸对照表，仅供参考，如有未标注的钢管规格，请电议，我的资料里有联系方式！10 0.561 - - - - - - - -11 0.647 - - - - - - -12 0