Theoretical Bursting Pressures and Weights
Lower Figures – Weight/Foot
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 |
| 19,200 | 24,000 | 39,000 | 42,000 | 58,800 |
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| Working pressures for T304/L and T316/L | |||||||||
3/16 |
| .019 | .022 | .029 | .033 | .040 |
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| A269 tubing between | |||||||||
| 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 | ||||
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 | ||||
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 | |||
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 | |||
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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| 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 |
The information presented above are typical or average values and are not a guarantee of maximum or minimum values.