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ASME / ANSI flanges

       

      ASME / ANSI Flange Temperature and Pressure Tables

      The following tables will help you to make a correct choice of flange series according to the working temperature and pressure.

      ASME 150 
      Working Temperature Carbon Steel Cr - Mo SS 304 SS 316 SS 304L
      SS 316L      		 SS 321
      (°C) psi / bar
      37 285 / 19.7 290 / 20 275 / 19 275 / 19 230 / 15.9 275 / 19
      93 260 / 17.9 260 / 17.9 235 / 16.2 240 / 16.5 195 / 13.4 235 / 16.2
      148 230 / 15.9 230 / 15.9 205 / 14.1 215 / 14.8 175 / 12.1 210 / 14.5
      204 200 / 13.8 200 / 13.8 180 / 12.4 195 / 13.4 160 / 11 190 / 13.1
      260 170 / 11.7 170 / 11.7 170 / 11.7 170 / 11.7 145 / 10 170 / 11.7
      315 140 / 9.7 140 / 9.7 140 / 9.7 140 / 9.7 140 / 9.7 140 / 9.7
      343 125 / 8.6 125 / 8.6 125 / 8.6 125 / 8.6 125 / 8.6 125 / 8.6
      371 110 / 7.6 110 / 7.6 110 / 7.6 110 / 7.6 110 / 7.6 110 / 7.6
      398 95 / 6.6 95 / 6.6 95 / 6.6 95 / 6.6 95 / 6.6 95 / 6.6
      426 80 / 5.5 80 / 5.5 80 / 5.5 80 / 5.5 80 / 5.5 80 / 5.5
      454 65 / 4.5 65 / 4.5 65 / 4.5 65 / 4.5 65 / 4.5 65 / 4.5
      482 50 / 3.4 50 / 3.4 50 / 3.4 50 / 3.4 - 50 / 3.4
      510 35 / 2.4 35 / 2.4 35 / 2.4 35 / 2.4 - 35 / 2.4
      537 20 / 1.4 20 / 1.4 20 / 1.4 20 / 1.4 - 20 / 1.4


      ASME 300 
      Working Temperature Carbon Steel Cr - Mo SS 304 SS 316 SS 304L
      SS 316L      		 SS 321
      (°C) psi / bar
      37 740 / 51 750 / 51.7 720 / 49.6 720 / 49.6 600 / 41.4 720 / 49.6
      93 675 / 46.5 750 / 51.7 600 / 41.4 620 / 42.7 505 / 34.8 610 / 42.1
      148 655 / 45.2 730 / 50.3 530 / 36.5 560 / 38.6 455 / 31.4 545 / 37.6
      204 635 / 43.8 705 / 48.6 470 / 32.4 515 / 35.5 415 / 28.6 495 / 34.1
      260 600 / 41.4 665 / 45.9 435 / 30 480 / 33.1 380 / 26.2 460 / 31.7
      315 550 / 37.9 605 / 41.7 415 / 28.6 450 / 31 360 / 24.8 435 / 30
      343 535 / 36.9 590 / 40.7 410 / 28.3 445 / 30.7 350 / 24.1 430 / 29.6
      371 535 / 36.9 570 / 39.3 405 / 27.9 430 / 29.6 345 / 23.8 420 / 29
      398 505 / 34.8 530 / 36.5 400 / 27.6 425 / 29.3 335 / 23.1 415 / 28.6
      426 410 / 28.3 510 / 35.2 395 / 27.2 415 / 28.6 330 / 22.8 415 / 28.6
      454 270 / 18.6 485 / 33.4 390 / 26.9 405 / 27.9 320 / 22.1 410 / 28.3
      482 170 / 11.7 450 / 31 385 / 26.5 395 / 27.2 - 405 / 27.9
      510 105 / 7.2 345 / 23.8 375 / 25.9 385 / 26.5 - 385 / 26.5
      537 50 / 3.4 215 / 14.8 325 / 22.4 365 / 25.2 - 355 / 24.5


      ASME 400 
      Working Temperature Carbon Steel Cr - Mo SS 304 SS 316 SS 304L
      SS 316L      		 SS 321
      (°C) psi / bar
      37 990 / 68.3 1000 / 68.9 960 / 66.2 960 / 66.2 800 / 55.2 960 / 66.2
      93 900 / 62.1 1000 / 68.9 800 / 55.2 825 / 56.9 675 / 46.5 815 / 56.2
      148 875 / 60.3 970 / 66.9 705 / 48.6 745 / 51.4 605 / 41.7 725 / 50
      204 845 / 58.3 940 / 64.8 630 / 43.4 685 / 47.2 550 / 37.9 660 / 45.5
      260 800 / 55.2 885 / 61 585 / 40.3 635 / 43.8 510 / 35.2 610 / 42.1
      315 730 / 50.3 805 / 55.5 555 / 38.3 600 / 41.4 480 / 33.1 585 / 40.3
      343 715 / 49.3 785 / 54.1 540 / 37.2 575 / 39.6 460 / 31.7 560 / 38.6
      371 710 / 49 755 / 52.1 540 / 37.2 575 / 39.6 460 / 31.7 560 / 38.6
      398 670 / 46.2 710 / 49 530 / 36.5 565 / 39 450 / 31 555 / 38.3
      426 550 / 37.9 675 / 46.5 525 / 36.2 555 / 38.3 440 / 30.3 550 / 37.9
      454 355 / 24.5 650 / 44.8 520 / 35.9 540 / 37.2 430 / 29.6 545 / 37.6
      482 230 / 15.9 600 / 41.4 510 / 35.2 525 / 36.2 - 540 / 37.2
      510 140 / 9.7 460 / 31.7 500 / 34.5 515 / 35.5 - 515 / 35.5
      537 70 / 4.8 285 / 19.7 430 / 29.6 485 / 33.4 - 475 / 32.8

      ASME 600 
      Working Temperature Carbon Steel Cr - Mo SS 304 SS 316 SS 304L
      SS 316L      		 SS 321
      (°C) psi / bar
      37 1480 / 102 1500 / 103.4 1440 / 99.3 1440 / 99.3 1200 / 82.7 1440 / 99.3
      93 1350 / 93.1 1500 / 103.4 1200 / 82.7 1240 / 85.5 1015 / 70 1220 / 84.1
      148 1315 / 90.7 1455 / 100.3 1055 / 72.7 1120 / 77.2 910 / 62.7 1090 / 75.2
      204 1270 / 87.6 1410 / 97.2 940 / 64.8 1030 / 71 825 / 56.9 990 / 68.3
      260 1200 / 82.7 1330 / 91.7 875 / 60.3 955 / 65.8 765 / 52.7 915 /63.1
      315 1095 / 75.5 1210 / 83.4 830 / 57.2 905 / 62.4 720 / 49.6 875 / 60.3
      343 1075 / 74.1 1175 / 81 815 / 56.2 890 / 61.4 700 / 48.3 855 / 59
      371 1065 / 73.4 1135 / 78.3 805 / 55.5 865 / 59.6 685 / 47.2 840 / 57.9
      398 1010 / 69.6 1065 / 73.4 975 / 845 / 58.3 670 / 46.2 830 / 57.2
      426 825 / 56.9 1015 / 70 790 / 54.5 830 / 57.2 660 / 45.5 825 / 56.9
      454 535 / 36.9 975 / 67.2 780 / 53.8 810 / 55.8 645 / 44.5 815 / 56.2
      482 345 / 23.8 900 / 62.1 770 / 53.1 790 / 54.5 - 810 / 55.8
      510 205 / 14.1 685 / 47.2 750 / 51.7 775 / 53.4 - 775 / 53.4
      537 105 / 7.2 425 / 29.3 645 / 44.5 725 / 50 - 715 / 49.3
      ASME 900 
      Working Temperature Carbon Steel Cr - Mo SS 304 SS 316 SS 304L
      SS 316L      		 SS 321
      (°C) psi / bar
      37 2200 / 151.7 2250 / 155.1 2160 / 148.9 2160 / 148.9 1800 / 124.1 2160 / 148.9
      93 2025 / 139.6 2250 / 155.1 1800 / 124.1 1860 / 128.2 1520 / 104.8 1830 / 126.2
      148 1970 / 135.8 2185 / 150.7 1585 / 109.3 1680 / 115.8 1360 / 93.8 1635 / 112.7
      204 1900 / 131 2115 / 145.8 1410 / 97.2 1540 / 106.2 1240 / 85.5 1485 / 102.4
      260 1975 /  1995 / 137.6 1310 / 90.3 1435 / 98.9 1145 / 78.9 1375 / 94.8
      315 1640 / 113.1 1815 / 125.1 1245 / 85.8 1355 / 93.4 1080 / 74.5 1310 / 90.3
      343 1610 / 111 1765 / 121.7 1225 / 84.5 1330 / 91.7 1050 / 72.4 1280 / 88.3
      371 1600 / 110.3 1705 / 117.6 1210 / 83.4 1295 / 89.3 1030 / 71 1260 / 86.9
      398 1510 / 104.1 1595 / 110 1195 / 82.4 1270 / 87.6 1010 / 69.6 1245 / 85.8
      426 1235 / 85.2 1525 / 105.1 1180 / 81.4 1245 / 85.8 985 / 67.9 1240 / 85.5
      454 805 / 55.5 1460 / 100.7 1165 / 80.3 1215 / 83.8 965 / 66.5 1225 / 84.5
      482 515 / 35.5 1350 / 93.1 1150 / 79.3 1180 / 81.4 - 1215  / 83.8
      510 310 / 21.4 1030 / 71 1125 / 77.6 1160 / 80 - 1160 / 80
      537 155 / 10.7 640 / 44.1 965 / 66.5 1090 / 75.2 - 1070 / 73.8

      ASME 1500 
      Working Temperature Carbon Steel Cr - Mo SS 304 SS 316 SS 304L
      SS 316L      		 SS 321
      (°C) psi / bar
      37 3600 / 284.2 3750 / 258.6 3600 / 248.2 3600 / 248.2 3000 / 206.8 3600 / 248.2
      93 3500 / 241.3 3750 / 258.6 3000 / 248.2 3095 / 213.4 2530 / 174.4 2530 / 174.4
      148 3415 / 235.5 3610 / 248.9 2700 / 186.2 2795 / 192.7 2270 / 156.5 2975 / 205.1
      204 3330 / 229.6 3465 / 238.9 2485 / 171.3 2570 / 177.2 2065 / 142.4 2760 / 190.3
      260 3125 / 215.5 3325 / 229.3 2330 / 160.6 2390 / 164.8 1910 / 131.7 2570 / 177.2
      315 2770 / 191 3025 / 208.6 2185 / 150.7 2225 / 153.4 1800 / 124.1 2435 / 167.9
      343 2580 / 177.9 2940 / 202.7 2150 / 148.2 2220 / 153.1 1750 / 120.7 2390 / 164.8
      371 2350 / 162 2840 / 195.8 2125 / 146.5 2170 / 149.6 1715 / 118.2 2330 / 160.6
      398 2125 / 146.5 2660 / 183.4 2075 / 143.1 2135 / 147.2 1680 / 115.8 2290 / 157.9
      426 1830 / 126.2 2540 / 175.1 2015 / 138.9 2110 / 145.5 1645 / 113.4 2255 / 155.5
      454 1500 / 106.9 2435 / 167.9 1980 / 136.5 2090 / 144.1 1610 / 111 2230 / 153.8
      482 1115 / 76.9 2245 / 154.8 1945 / 134.1 2075 / 143.1 - 2210 / 152.4
      510 770 / 53.1 1595 / 110 1910 / 131.7 1930 / 133.1 - 1930 / 133.1
      537 430 / 29.6 1080 / 74.5 1605 / 110.7 1750 / 120.7 - 1785 / 123.1