PRESSURE/TEMPERATURE RATINGS FOR FLANGES ASME/ANSI B16.5-2013 For Ref Only FLANGE MATERIAL
°C °F
-29 -20
38 100
50 122
19.6 19 15.9 20 15.9 20
19.6 19 15.9 20 15.9 20
19.2 18.4 15.3 19.5 15.4 19.5
17.7 16.2 13.3 17.7 13.8 17.7
15.8 14.8 12 15.8 12.9 15.8
13.8 13.7 11.2 13.8 12.5 13.8
12.1 12.1 10.5 12.1 12.1 12.1
10.2 10.2 10 10.2 10.2 10.2
51.1 49.6 41.4 51.7 41.4 51.7
51.1 49.6 41.4 51.7 41.4 51.7
50.1 48.1 40 51.7 40.2 51.7
46.6 42.2 34.8 50.7 35.9 51.5
45.1 38.5 31.4 45.9 33.7 50.3
43.8 35.7 29.2 42.7 32.7 48.3
41.9 33.4 27.5 40.5 32.6 46.3
102.1 99.3 82.7 103.4 82.7 103.4
102.1 99.3 82.7 103.4 82.7 103.4
100.2 96.2 80 103.4 80.5 103.4
93.2 84.4 69.6 101.3 71.9 103
90.2 77 62.8 91.9 67.5 100.3
87.6 71.3 58.3 85.3 65.4 96.7
153.2 148.9 124.1 155.1 124.1 155.1
153.2 148.9 124.1 155.1 124.1 155.1
150.4 144.3 120.1 155.1 120.7 155.1
139.8 126.6 104.4 152 107.8 154.6
135.2 115.5 94.2 137.8 101.2 150.6
255.3 248.2 206.8 258.6 206.8 258.6
255.3 248.2 206.8 258.6 206.8 258.6
250.6 240.6 200.1 258.6 201.2 258.6
233 211 173.9 253.3 179.7 257.6
425.5 413.7 344.7 430.9 344.7 430.9
425.5 413.7 344.7 430.9 344.7 430.9
417.7 400.9 333.5 430.9 335.3 430.9
388.3 351.6 289.9 422.2 299.5 429.4
& CLASS
100 150 200 250 300 350 212 302 392 482 572 662 Metric Units - Working Pressures are in bar
400 752
450 842
8.4 8.4 8.4 8.4 8.4 8.4
6.5 6.5 6.5 6.5 6.5 6.5
4.6 4.6 4.6
39.8 31.6 26.1 38.9 32.6 42.9
37.6 30.3 25.1 37.6 32.6 40.3
34.7 29.4 24.3 36.5 32.1 36.5
23 28.8 23.4
83.9 66.8 54.9 80.9 65.2 92.7
79.6 63.2 52.1 77.7 65.2 85.7
75.1 60.7 50.1 75.3 65.1 80.4
69.4 58.9 48.6 73.3 64.2 73.3
131.4 107 87.5 128 98.1 145
125.8 100.1 82.4 121.4 97.8 139
119.5 94.9 78.2 116.6 97.8 128.6
112.7 91 75.2 112.9 97.7 120.7
104.2 88.3 72.9 109.8 96.2 109.8
225.4 192.5 157 229.6 168.7 250.8
219 178.3 145.8 213.3 163.5 241.7
209.7 166.9 137.3 202.3 163 231.8
199.1 158.1 130.3 194.3 163 214.4
187.8 151.6 125.4 188.2 162.8 201.1
173.6 147.2 121.5 183.1 160.4 183.1
375.6 320.8 261.6 382.7 281.1 418.2
365 297.2 243 355.4 272.4 402.8
349.5 278.1 228.9 337.2 271.7 386.2
331.8 263.5 217.2 323.8 271.7 357.1
313 252.7 208.9 313.7 271.3 335.3
289.3 245.3 202.5 304.9 267.4 304.9
CLASS 150
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8
4.6 4.6
CLASS 300
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8
26.9 33.7
CLASS 600
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8
46 57.7 46.8 53.8 67.7
CLASS 900
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8
69 86.5 70.2 80.7 101.4
CLASS 1500
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8
115 144.2 117.1 134.5 169
CLASS 2500
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8 MATERIAL
Gr 1.1 Gr 2.2 Gr 2.3 Gr 2.8 Gr 3.4 Gr 3.8
191.7 240.4 195.1 224.2 281.8
MATERIAL DESCRIPTION
NOTES
CARBON STEEL (ASTM A105N & A350 LF2) 316 STAINLESS STEEL 316L STAINLESS STEEL DUPLEX (S31803), SUPER DUPLEX (S32760), 6%Mo (S31254) MONEL 400 HASTELLOY C276 & C22 INCONEL 625, INCOLOY 825
LIMITATIONS > 425°C LIMITATIONS > 538°C 316L - LIMIT = 454°C DU/SD - LIMIT = 315°C MUST BE ANNEALED SOLUTION ANNEALED MUST BE ANNEALED