Tube Size Reference Guide
The tube chart offers a comprehensive overview of standard tube dimensions, including outer diameter, wall thickness, and weight. It’s a helpful tool for engineers, fabricators, and procurement teams alike.
Theoretical Bursting Pressures and Weights
Lower Figures – Weight/Foot
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O.D. |
Wall Thickness |
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Inches |
.016 |
.020 |
.028 |
.035 |
.049 |
.065 |
.083 |
.095 |
.109 |
.120 |
.134 |
.156 |
.188 |
.250 |
.313 |
.375 |
.500 |
.750 |
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1/16 |
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38, 400 |
48, 000 |
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.008 |
.009 |
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1/8 |
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19, 200 |
24, 000 |
39, 000 |
42, 000 |
58, 800 |
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Working pressures for T304/L and T316/L |
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3/16 |
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.019 |
.022 |
.029 |
.033 |
.040 |
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A269 tubing between
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12, 800 |
15, 998 |
22, 403 |
29, 498 |
39, 203 |
51, 863 |
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The A.S.M.E. code suggests a safety |
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.029 |
.035 |
.047 |
.057 |
.073 |
.083 |
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factor of four. |
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1/4 |
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12, 000 |
16, 800 |
21, 000 |
29, 400 |
39, 000 |
49, 800 |
57, 000 |
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E.G. 1/4” O.D. x .035=5250 P.S.I. |
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.049 |
.066 |
.080 |
.105 |
.128 |
.148 |
.157 |
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For higher temperatures multiply |
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5/16 |
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9, 600 |
13, 440 |
16, 800 |
23, 520 |
31, 200 |
39, 780 |
45, 750 |
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working pressure by: |
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.062 |
.085 |
.103 |
.138 |
.172 |
.203 |
.221 |
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3/8 |
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8, 003 |
11, 998 |
14, 003 |
19, 598 |
26, 003 |
33, 203 |
38, 003 |
43, 598 |
48, 000 |
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300°F |
500°F |
1000°F |
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7/16 |
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.075 |
.103 |
.127 |
.170 |
.215 |
.258 |
.284 |
.309 |
.326 |
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T304/L |
.828 |
.744 |
.665 |
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6, 857 |
9, 600 |
12, 000 |
16, 800 |
22, 285 |
28, 457 |
32, 571 |
37, 371 |
41, 143 |
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T316/L |
.900 |
.853 |
.746 |
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.089 |
.123 |
.151 |
.204 |
.259 |
.315 |
.348 |
.383 |
.408 |
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1/2 |
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6, 000 |
8, 400 |
10, 500 |
14, 700 |
19, 500 |
24, 900 |
28, 500 |
32, 700 |
36, 000 |
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.102 |
.141 |
.173 |
.236 |
.302 |
.369 |
.418 |
.455 |
.487 |
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9/16 |
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5, 333 |
7, 467 |
9, 333 |
13, 067 |
17, 333 |
22, 133 |
25, 333 |
29, 066 |
32, 000 |
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.116 |
.160 |
.197 |
.269 |
.346 |
.426 |
.475 |
.529 |
.568 |
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5/8 |
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4, 800 |
6, 720 |
8, 400 |
11, 760 |
15, 600 |
19, 920 |
22, 888 |
26, 160 |
28, 800 |
32, 160 |
37, 440 |
44, 880 |
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.129 |
.178 |
.221 |
.301 |
.388 |
.480 |
.537 |
.600 |
.647 |
.703 |
.781 |
.877 |
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3/4 |
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3, 998 |
5, 603 |
6, 998 |
9, 803 |
12, 997 |
16, 598 |
18, 998 |
21, 803 |
24, 000 |
26, 800 |
31, 200 |
37, 403 |
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.155 |
.215 |
.267 |
.366 |
.475 |
.591 |
.664 |
.746 |
.807 |
.882 |
.990 |
1.128 |
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7/8 |
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3, 428 |
4, 800 |
6, 000 |
8, 400 |
11, 145 |
14, 228 |
16, 283 |
18, 683 |
20, 573 |
22, 971 |
26, 745 |
32, 055 |
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.183 |
.253 |
.314 |
.432 |
.562 |
.702 |
.791 |
.891 |
.968 |
1.061 |
1.198 |
1.379 |
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1 |
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3, 000 |
4, 200 |
5, 250 |
7, 350 |
9, 750 |
12, 450 |
14, 250 |
16, 350 |
18, 000 |
20, 100 |
23, 400 |
28, 050 |
37, 500 |
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.209 |
.290 |
.360 |
.497 |
.649 |
.812 |
.918 |
1.037 |
1.128 |
1.239 |
1.406 |
1.630 |
2.003 |
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1 1/8 |
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2, 663 |
3, 735 |
4, 665 |
6, 533 |
8, 670 |
11, 070 |
12, 668 |
14, 535 |
15, 998 |
17, 866 |
20, 798 |
24, 930 |
33, 330 |
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.236 |
.328 |
.407 |
.563 |
.736 |
.923 |
1.045 |
1.183 |
1.288 |
1.418 |
1.614 |
1.881 |
2.336 |
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1 1/4 |
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2, 400 |
3, 360 |
4, 200 |
5, 880 |
7, 800 |
9, 960 |
11, 400 |
13, 080 |
14, 400 |
16, 080 |
18, 720 |
22, 440 |
30, 000 |
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.262 |
.365 |
.454 |
.628 |
.822 |
1.034 |
1.172 |
1.328 |
1.448 |
1.597 |
1.823 |
2.132 |
2.670 |
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1 3/8 |
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3, 053 |
3, 818 |
5, 348 |
7, 087 |
9, 053 |
10, 365 |
11, 888 |
13, 088 |
14, 618 |
17, 018 |
20, 400 |
27, 270 |
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.402 |
.501 |
.694 |
.909 |
1.145 |
1.299 |
1.473 |
1.608 |
1.776 |
2.031 |
2.383 |
3.004 |
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1 1/2 |
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2, 948 |
3, 503 |
4, 898 |
6, 503 |
8, 303 |
9, 503 |
10, 890 |
12, 000 |
13, 400 |
15, 600 |
18, 698 |
24, 998 |
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.440 |
.547 |
.759 |
.996 |
1.256 |
1.426 |
1.619 |
1.769 |
1.955 |
2.239 |
2.634 |
3.338 |
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1 5/8 |
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3, 230 |
4, 523 |
6, 000 |
7, 662 |
8, 769 |
10, 062 |
11, 077 |
12, 369 |
14, 400 |
17, 354 |
23, 077 |
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.594 |
.825 |
1.083 |
1.367 |
1.552 |
1.765 |
1.929 |
2.134 |
2.447 |
2.885 |
3.671 |
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1 3/4 |
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3, 000 |
4, 200 |
5, 573 |
7, 118 |
8, 145 |
9, 345 |
10, 283 |
11, 486 |
13, 373 |
16.028 |
21, 428 |
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.641 |
.890 |
1.170 |
1.478 |
1.679 |
1.910 |
2.160 |
2.313 |
2.656 |
3.136 |
4.005 |
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2 |
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2, 625 |
3, 675 |
4, 875 |
6, 225 |
7, 125 |
8, 175 |
9, 000 |
10, 050 |
11, 700 |
14, 025 |
18, 750 |
23, 475 |
28, 125 |
37, 500 |
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.734 |
1.021 |
1.343 |
1.699 |
1.933 |
2.201 |
2.409 |
2.671 |
3.072 |
3.638 |
4.673 |
5.639 |
6.508 |
8.010 |
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2 1/4 |
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2, 333 |
3, 270 |
4, 335 |
5, 535 |
6, 330 |
7, 268 |
8, 003 |
8, 933 |
10, 403 |
12, 465 |
16, 665 |
20, 865 |
24, 998 |
33, 330 |
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.828 |
1.152 |
1.517 |
1.921 |
2.250 |
2.556 |
2.730 |
3.028 |
3.489 |
4.140 |
5.340 |
6.475 |
7.509 |
9.345 |
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2 1/2 |
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2, 100 |
2, 940 |
3, 900 |
4, 980 |
5, 700 |
6, 540 |
7, 200 |
8, 040 |
9, 360 |
11, 220 |
15, 000 |
18, 780 |
22, 500 |
30, 000 |
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.921 |
1.283 |
1.690 |
2.143 |
2.440 |
2.783 |
3.050 |
3.386 |
3.905 |
4.642 |
6.008 |
7.311 |
8.511 |
10.680 |
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2 3/4 |
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1, 913 |
2, 670 |
3, 548 |
4, 530 |
5, 183 |
5, 948 |
6, 548 |
7, 309 |
8, 513 |
10, 200 |
13, 636 |
17, 070 |
20, 453 |
27, 270 |
40, 913 |
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1.015 |
1.413 |
1.864 |
2.364 |
2.699 |
3.177 |
3.495 |
3.744 |
4.322 |
5.144 |
6.675 |
8.147 |
9.512 |
12.015 |
16.020 |
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3 |
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1, 748 |
2, 453 |
3, 248 |
4, 148 |
4, 748 |
5, 453 |
6, 000 |
6, 700 |
7, 800 |
9, 353 |
12, 503 |
15, 653 |
18, 750 |
24, 998 |
37, 500 |
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1.108 |
1.544 |
2.037 |
2.586 |
2.947 |
3.393 |
3.691 |
4.102 |
4.739 |
5.646 |
7.343 |
8.982 |
10.513 |
13.350 |
18.020 |
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3 1/4 |
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3, 000 |
3, 833 |
4, 388 |
5, 033 |
5, 535 |
6, 185 |
7, 200 |
8, 633 |
11, 535 |
14, 445 |
17, 310 |
23, 078 |
34, 613 |
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2.211 |
2.805 |
3.201 |
3.634 |
3.975 |
4.459 |
5.155 |
6.148 |
8.010 |
9.818 |
11.514 |
14.685 |
20.025 |
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3 1/2 |
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2, 783 |
3, 555 |
4, 073 |
4, 673 |
5, 145 |
5, 743 |
6, 683 |
8, 018 |
10, 718 |
13, 418 |
16, 073 |
21, 428 |
32, 146 |
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2.385 |
3.029 |
3.455 |
3.976 |
4.385 |
4.817 |
5.571 |
6.650 |
8.678 |
10.650 |
12.515 |
16.020 |
22.027 |
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3 3/4 |
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2, 603 |
3, 323 |
3, 803 |
4, 358 |
4, 800 |
5, 360 |
6, 240 |
7, 478 |
9, 998 |
12, 518 |
15, 000 |
20, 003 |
30, 000 |
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2.558 |
3.248 |
3.708 |
4.235 |
4.650 |
5.175 |
5.988 |
7.152 |
9.345 |
11.490 |
13.520 |
17.355 |
24.030 |
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4 |
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2, 438 |
3, 113 |
3, 563 |
4, 088 |
4, 500 |
5, 025 |
5, 850 |
7, 013 |
9, 375 |
11, 738 |
14, 063 |
18, 750 |
28, 125 |
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2.732 |
3.472 |
3.962 |
4.530 |
4.973 |
5.533 |
6.404 |
7.654 |
10.010 |
12.330 |
14.520 |
18.690 |
26.030 |
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The information presented above are typical or average values and are not a guarantee of maximum or minimum values.