不锈钢管直径尺寸规格表，公称直径对照如下：
一、不锈钢管公称直径（mm）
| 序号 | 公称直径（mm） |
| – | — |
| 1 | 4 |
| 2 | 5 |
| 3 | 6 |
| 4 | 7 |
| 5 | 8 |
| 6 | 9 |
| 7 | 10 |
| 8 | 12 |
| 9 | 14 |
| 10 | 16 |
| 11 | 18 |
| 12 | 20 |
| 13 | 22 |
| 14 | 24 |
| 15 | 25 |
| 16 | 27 |
| 17 | 28 |
| 18 | 30 |
| 19 | 32 |
| 20 | 34 |
| 21 | 36 |
| 22 | 38 |
| 23 | 40 |
| 24 | 42 |
| 25 | 44 |
| 26 | 45 |
| 27 | 48 |
| 28 | 50 |
| 29 | 52 |
| 30 | 54 |
| 31 | 56 |
| 32 | 58 |
| 33 | 60 |
| 34 | 62 |
| 35 | 65 |
| 36 | 70 |
| 37 | 75 |
| 38 | 80 |
| 39 | 85 |
| 40 | 90 |
| 41 | 95 |
| 42 | 100 |
| 43 | 105 |
| 44 | 110 |
| 45 | 115 |
| 46 | 120 |
| 47 | 125 |
| 48 | 130 |
| 49 | 135 |
| 50 | 140 |
| 51 | 145 |
| 52 | 150 |
| 53 | 155 |
| 54 | 160 |
| 55 | 165 |
| 56 | 170 |
| 57 | 175 |
| 58 | 180 |
| 59 | 185 |
| 60 | 190 |
| 61 | 195 |
| 62 | 200 |
| 63 | 205 |
| 64 | 210 |
| 65 | 215 |
| 66 | 220 |
| 67 | 225 |
| 68 | 230 |
| 69 | 235 |
| 70 | 240 |
| 71 | 245 |
| 72 | 250 |
| 73 | 255 |
| 74 | 260 |
| 75 | 265 |
| 76 | 270 |
| 77 | 275 |
| 78 | 280 |
| 79 | 285 |
| 80 | 290 |
| 81 | 295 |
| 82 | 300 |
| 83 | 305 |
| 84 | 310 |
| 85 | 315 |
| 86 | 320 |
| 87 | 325 |
| 88 | 330 |
| 89 | 335 |
| 90 | 340 |
| 91 | 345 |
| 92 | 350 |
| 93 | 355 |
| 94 | 360 |
| 95 | 365 |
| 96 | 370 |
| 97 | 375 |
| 98 | 380 |
| 99 | 385 |
| 100 | 390 |
| 101 | 395 |
| 102 | 400 |
| 103 | 405 |
| 104 | 410 |
| 105 | 415 |
| 106 | 420 |
| 107 | 425 |
| 108 | 430 |
| 109 | 435 |
| 110 | 440 |
| 111 | 445 |
| 112 | 450 |
| 113 | 455 |
| 114 | 460 |
| 115 | 465 |
| 116 | 470 |
| 117 | 475 |
| 118 | 480 |
| 119 | 485 |
| 120 | 490 |
| 121 | 495 |
| 122 | 500 |
| 123 | 505 |
| 124 | 510 |
| 125 | 515 |
| 126 | 520 |
| 127 | 525 |
| 128 | 530 |
| 129 | 535 |
| 130 | 540 |
| 131 | 545 |
| 132 | 550 |
| 133 | 555 |
| 134 | 560 |
| 135 | 565 |
| 136 |