Estimated Pressure Rating, psi, from -20°F to 100°F | |||||||||
---|---|---|---|---|---|---|---|---|---|
Tube Data | Here P = S (D^2 – d^2) / (D^2 + d^2) for D/t < 10 & P = 2 S t / D for D/t > 10 Note, values are theoretical not all materials are available in each size and schedule. |
||||||||
Tube O.D. (In.) = D | Wall Thick (In.) = t | D/t | Tube I.D. (In.) = d | Carbon Steel, A106 B, smls, S = 15,000psi | 304L SS, A312, smls, S = 15,700psi | 304L SS, A249, welded, S = 13,300psi | 6061 T6 Al, B241, smls, S = 9,500psi | 6061 T6 Al, B547, arc weld, S = 6,000psi | Copper, C12200, S = 11,300psi |
0.125 | 0.010 | 12.5 | 0.105 | 2400 | 2512 | 2128 | 1520 | 960 | 1808 |
0.020 | 6.3 | 0.085 | 5514 | 5772 | 4889 | 3492 | 2206 | 4154 | |
0.028 | 4.5 | 0.069 | 7994 | 8367 | 7088 | 5063 | 3197 | 6022 | |
0.035 | 3.6 | 0.055 | 10134 | 10607 | 8986 | 6418 | 4054 | 7634 | |
0.188 | 0.010 | 18.8 | 0.168 | 1596 | 1670 | 1415 | 1011 | 638 | 1202 |
0.020 | 9.4 | 0.148 | 3522 | 3686 | 3122 | 2230 | 1409 | 2653 | |
0.028 | 6.7 | 0.132 | 5094 | 5332 | 4517 | 3226 | 2038 | 3837 | |
0.035 | 5.4 | 0.118 | 6521 | 6826 | 5782 | 4130 | 2609 | 4913 | |
0.049 | 3.8 | 0.090 | 9407 | 9846 | 8341 | 5958 | 3763 | 7086 | |
0.250 | 0.020 | 12.5 | 0.210 | 2400 | 2512 | 2128 | 1520 | 960 | 1808 |
0.028 | 8.9 | 0.194 | 3725 | 3898 | 3302 | 2359 | 1490 | 2806 | |
0.035 | 7.1 | 0.180 | 4758 | 4980 | 4218 | 3013 | 1903 | 3584 | |
0.049 | 5.1 | 0.152 | 6903 | 7225 | 6121 | 4372 | 2761 | 5200 | |
0.058 | 4.3 | 0.134 | 8305 | 8692 | 7363 | 5260 | 3322 | 6256 | |
0.065 | 3.8 | 0.120 | 9382 | 9820 | 8319 | 5942 | 3753 | 7068 | |
0.083 | 3.0 | 0.084 | 11957 | 12515 | 10602 | 7573 | 4783 | 9007 | |
0.313 | 0.020 | 15.7 | 0.273 | 1917 | 2006 | 1700 | 1214 | 767 | 1444 |
0.028 | 11.2 | 0.257 | 2684 | 2809 | 2380 | 1700 | 1073 | 2022 | |
0.035 | 8.9 | 0.243 | 3718 | 3892 | 3297 | 2355 | 1487 | 2801 | |
0.049 | 6.4 | 0.215 | 5383 | 5634 | 4773 | 3409 | 2153 | 4055 | |
0.058 | 5.4 | 0.197 | 6488 | 6791 | 5753 | 4109 | 2595 | 4888 | |
0.065 | 4.8 | 0.183 | 7357 | 7701 | 6524 | 4660 | 2943 | 5543 | |
0.072 | 4.3 | 0.169 | 8228 | 8612 | 7296 | 5211 | 3291 | 6199 | |
0.083 | 3.8 | 0.147 | 9579 | 10026 | 8493 | 6067 | 3831 | 7216 | |
0.095 | 3.3 | 0.123 | 10987 | 11500 | 9742 | 6958 | 4395 | 8277 | |
0.375 | 0.020 | 18.8 | 0.335 | 1600 | 1675 | 1419 | 1013 | 640 | 1205 |
0.028 | 13.4 | 0.319 | 2240 | 2345 | 1986 | 1419 | 896 | 1687 | |
0.035 | 10.7 | 0.305 | 2800 | 2931 | 2483 | 1773 | 1120 | 2109 | |
0.049 | 7.7 | 0.277 | 4410 | 4615 | 3910 | 2793 | 1764 | 3322 | |
0.058 | 6.5 | 0.259 | 5311 | 5559 | 4709 | 3364 | 2124 | 4001 | |
0.065 | 5.8 | 0.245 | 6025 | 6307 | 5343 | 3816 | 2410 | 4539 | |
0.072 | 5.2 | 0.231 | 6748 | 7063 | 5983 | 4274 | 2699 | 5083 | |
0.083 | 4.5 | 0.209 | 7890 | 8258 | 6996 | 4997 | 3156 | 5944 | |
0.095 | 3.9 | 0.185 | 9128 | 9554 | 8093 | 5781 | 3651 | 6876 | |
0.109 | 3.4 | 0.157 | 10526 | 11017 | 9333 | 6666 | 4210 | 7929 | |
0.500 | 0.028 | 17.9 | 0.444 | 1680 | 1758 | 1490 | 1064 | 672 | 1266 |
0.035 | 14.3 | 0.530 | 2100 | 2198 | 1862 | 1330 | 840 | 1582 | |
0.049 | 10.2 | 0.402 | 2940 | 3077 | 2607 | 1862 | 1176 | 2215 | |
0.058 | 8.6 | 0.384 | 3870 | 4051 | 3431 | 2451 | 1548 | 2915 | |
0.065 | 7.7 | 0.370 | 4385 | 4589 | 3888 | 2777 | 1754 | 3303 | |
0.072 | 6.9 | 0.356 | 4908 | 5137 | 4352 | 3108 | 1963 | 3697 | |
0.083 | 6.0 | 0.334 | 5744 | 6012 | 5093 | 3638 | 2297 | 4327 | |
0.095 | 5.3 | 0.310 | 6670 | 6981 | 5914 | 4224 | 2668 | 5025 | |
0.109 | 4.6 | 0.282 | 7760 | 8122 | 6881 | 4915 | 3104 | 5846 | |
0.120 | 4.2 | 0.260 | 8615 | 9017 | 7638 | 5456 | 3446 | 6490 | |
0.134 | 3.7 | 0.232 | 9685 | 10137 | 8588 | 6134 | 3874 | 7296 | |
0.148 | 3.4 | 0.204 | 10719 | 11219 | 9504 | 6789 | 4288 | 8075 | |
0.188 | 2.7 | 0.124 | 13262 | 13881 | 11759 | 8399 | 5305 | 9991 | |
0.625 | 0.028 | 22.3 | 0.569 | 1344 | 1407 | 1192 | 851 | 538 | 1012 |
0.035 | 17.9 | 0.555 | 1680 | 1758 | 1490 | 1064 | 672 | 1266 | |
0.049 | 12.8 | 0.527 | 2352 | 2462 | 2085 | 1490 | 941 | 1772 | |
0.058 | 10.8 | 0.509 | 2784 | 2914 | 2468 | 1763 | 1114 | 2097 | |
0.065 | 9.6 | 0.495 | 3436 | 3596 | 3046 | 2176 | 1374 | 2588 | |
0.072 | 8.7 | 0.481 | 3841 | 4020 | 3406 | 2433 | 1536 | 2893 | |
0.083 | 7.5 | 0.459 | 4489 | 4698 | 3980 | 2843 | 1796 | 3382 | |
0.095 | 6.6 | 0.435 | 5210 | 5453 | 4620 | 3300 | 2084 | 3925 | |
0.109 | 5.7 | 0.407 | 6067 | 6350 | 5379 | 3842 | 2427 | 4570 | |
0.120 | 5.2 | 0.385 | 6748 | 7063 | 5983 | 4274 | 2699 | 5083 | |
0.134 | 4.7 | 0.357 | 7620 | 7975 | 6756 | 4826 | 3048 | 5740 | |
0.750 | 0.035 | 21.4 | 0.680 | 1400 | 1465 | 1241 | 887 | 560 | 1055 |
0.049 | 15.3 | 0.652 | 1960 | 2051 | 1738 | 1241 | 784 | 1477 | |
0.058 | 12.9 | 0.634 | 2320 | 2428 | 2057 | 1469 | 928 | 1748 | |
0.065 | 11.5 | 0.620 | 2600 | 2721 | 2305 | 1647 | 1040 | 1959 | |
0.072 | 10.4 | 0.606 | 2880 | 3014 | 2554 | 1824 | 1152 | 2170 | |
0.083 | 9.0 | 0.584 | 3676 | 3848 | 3260 | 2328 | 1470 | 2769 | |
0.095 | 7.9 | 0.560 | 4261 | 4460 | 3779 | 2699 | 1705 | 3210 | |
0.109 | 6.9 | 0.532 | 4958 | 5189 | 4396 | 3140 | 1983 | 3735 | |
0.120 | 6.3 | 0.510 | 5514 | 5772 | 4889 | 3492 | 2206 | 4154 | |
0.134 | 5.6 | 0.482 | 6231 | 6522 | 5525 | 3946 | 2492 | 4694 | |
0.148 | 5.1 | 0.454 | 6955 | 7280 | 6167 | 4405 | 2782 | 5239 | |
0.188 | 4.0 | 0.374 | 9026 | 9447 | 8003 | 5716 | 3610 | 6799 | |
0.875 | 0.035 | 25.0 | 0.805 | 1200 | 1256 | 1064 | 760 | 480 | 904 |
0.049 | 17.9 | 0.777 | 1680 | 1758 | 1490 | 1064 | 672 | 1266 | |
0.058 | 15.1 | 0.759 | 1989 | 2081 | 1763 | 1259 | 795 | 1498 | |
0.065 | 13.5 | 0.745 | 2229 | 2333 | 1976 | 1411 | 891 | 1679 | |
0.072 | 12.2 | 0.731 | 2469 | 2584 | 2189 | 1563 | 987 | 1860 | |
0.083 | 10.5 | 0.709 | 2846 | 2979 | 2523 | 1802 | 1138 | 2144 | |
0.095 | 9.2 | 0.685 | 3600 | 3768 | 3192 | 2280 | 1440 | 2712 | |
0.109 | 8.0 | 0.657 | 4184 | 4379 | 3710 | 2650 | 1674 | 3152 | |
0.120 | 7.3 | 0.635 | 4651 | 4868 | 4124 | 2945 | 1860 | 3504 | |
0.134 | 6.5 | 0.607 | 5253 | 5498 | 4658 | 3327 | 2101 | 3957 | |
0.148 | 5.9 | 0.579 | 5864 | 6138 | 5200 | 3714 | 2346 | 4418 | |
1.000 | 0.035 | 28.6 | 0.930 | 1050 | 1099 | 931 | 665 | 420 | 791 |
0.049 | 20.4 | 0.902 | 1470 | 1539 | 1303 | 931 | 588 | 1107 | |
0.058 | 17.2 | 0.884 | 1740 | 1821 | 1543 | 1102 | 696 | 1311 | |
0.065 | 15.4 | 0.870 | 1950 | 2041 | 1729 | 1235 | 780 | 1469 | |
0.072 | 13.9 | 0.856 | 2160 | 2261 | 1915 | 1368 | 864 | 1627 | |
0.083 | 12.0 | 0.834 | 2490 | 2606 | 2208 | 1577 | 996 | 1876 | |
0.095 | 10.5 | 0.810 | 2850 | 2983 | 2527 | 1805 | 1140 | 2147 | |
0.109 | 9.2 | 0.782 | 3616 | 3785 | 3206 | 2290 | 1446 | 2724 | |
0.120 | 8.3 | 0.760 | 4016 | 4204 | 3561 | 2544 | 1606 | 3026 | |
0.134 | 7.5 | 0.732 | 4533 | 4745 | 4020 | 2871 | 1813 | 3415 | |
0.148 | 6.8 | 0.704 | 5059 | 5295 | 4485 | 3204 | 2023 | 3811 | |
0.156 | 6.4 | 0.688 | 5362 | 5612 | 4754 | 3396 | 2145 | 4039 | |
0.188 | 5.3 | 0.624 | 6592 | 6900 | 5845 | 4175 | 2637 | 4966 | |
0.220 | 4.5 | 0.560 | 7838 | 8204 | 6950 | 4964 | 3135 | 5905 | |
1.250 | 0.049 | 25.5 | 1.152 | 1176 | 1231 | 1043 | 745 | 470 | 886 |
0.058 | 21.6 | 1.134 | 1392 | 1457 | 1234 | 882 | 557 | 1049 | |
0.065 | 19.2 | 1.120 | 1560 | 1633 | 1383 | 988 | 624 | 1175 | |
0.072 | 17.4 | 1.106 | 1728 | 1809 | 1532 | 1094 | 691 | 1302 | |
0.083 | 15.1 | 1.084 | 1992 | 2085 | 1766 | 1262 | 797 | 1501 | |
0.095 | 13.2 | 1.060 | 2280 | 2386 | 2022 | 1444 | 912 | 1718 | |
0.109 | 11.5 | 1.032 | 2616 | 2738 | 2320 | 1657 | 1046 | 1971 | |
0.120 | 10.4 | 1.010 | 2880 | 3014 | 2554 | 1824 | 1152 | 2170 | |
0.134 | 9.3 | 0.982 | 3551 | 3717 | 3149 | 2249 | 1420 | 2675 | |
0.148 | 8.4 | 0.954 | 3958 | 4142 | 3509 | 2507 | 1583 | 2981 | |
0.156 | 8.0 | 0.938 | 4193 | 4388 | 3717 | 2655 | 1677 | 3158 | |
0.188 | 6.6 | 0.874 | 5149 | 5390 | 4566 | 3261 | 2060 | 3879 | |
0.220 | 5.7 | 0.810 | 6128 | 6414 | 5434 | 3881 | 2451 | 4617 | |
1.500 | 0.065 | 23.1 | 1.370 | 1300 | 1361 | 1153 | 823 | 520 | 979 |
0.072 | 20.8 | 1.356 | 1440 | 1507 | 1277 | 912 | 576 | 1085 | |
0.083 | 18.1 | 1.334 | 1660 | 1737 | 1472 | 1051 | 664 | 1251 | |
0.095 | 15.8 | 1.310 | 1900 | 1989 | 1685 | 1203 | 760 | 1431 | |
0.109 | 13.8 | 1.282 | 2180 | 2282 | 1933 | 1381 | 872 | 1642 | |
0.120 | 12.5 | 1.260 | 2400 | 2512 | 2128 | 1520 | 960 | 1808 | |
0.134 | 11.2 | 1.232 | 2680 | 2805 | 2376 | 1697 | 1072 | 2019 | |
0.148 | 10.1 | 1.204 | 2960 | 3098 | 2625 | 1875 | 1184 | 2230 | |
0.156 | 9.6 | 1.188 | 3436 | 3596 | 3046 | 2176 | 1374 | 2588 | |
0.188 | 8.0 | 1.124 | 4212 | 4409 | 3735 | 2668 | 1685 | 3173 | |
0.220 | 6.8 | 1.060 | 5008 | 5242 | 4441 | 3172 | 2003 | 3773 | |
0.250 | 6.0 | 1.000 | 5769 | 6038 | 5115 | 3654 | 2308 | 4346 | |
2.000 | 0.065 | 30.8 | 1.870 | 975 | 1021 | 865 | 618 | 390 | 735 |
0.072 | 27.8 | 1.856 | 1080 | 1130 | 958 | 684 | 432 | 814 | |
0.083 | 24.1 | 1.834 | 1245 | 1303 | 1104 | 789 | 498 | 938 | |
0.095 | 21.1 | 1.810 | 1425 | 1492 | 1264 | 903 | 570 | 1074 | |
0.109 | 18.3 | 1.782 | 1635 | 1711 | 1450 | 1036 | 654 | 1232 | |
0.120 | 16.7 | 1.760 | 1800 | 1884 | 1596 | 1140 | 720 | 1356 | |
0.134 | 14.9 | 1.732 | 2010 | 2104 | 1782 | 1273 | 804 | 1514 | |
0.148 | 13.5 | 1.704 | 2220 | 2324 | 1968 | 1406 | 888 | 1672 | |
0.156 | 12.8 | 1.688 | 2340 | 2449 | 2075 | 1482 | 936 | 1763 | |
0.188 | 10.6 | 1.624 | 2820 | 2952 | 2500 | 1786 | 1128 | 2124 | |
0.220 | 9.1 | 1.560 | 3652 | 3823 | 3238 | 2313 | 1461 | 2751 | |
0.250 | 8.0 | 1.500 | 4200 | 4396 | 3724 | 2660 | 1680 | 3164 | |
0.281 | 7.1 | 1.438 | 4776 | 4999 | 4235 | 3025 | 1911 | 3598 |