Table below provides pressure-temperature ratings and chart for ASTM B148 Alloy C95200 flanges. Ratings include from class 150 to class 2500.

Service
Temperature
°C
Pressure, bar
Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500
-29 to 38 13.6 35.4 70.8 106.1 176.9 294.9
65 12.5 33.5 66.7 100.0 166.6 277.7
100 12.3 32.1 64.2 96.3 160.5 267.4
125 12.1 31.5 62.9 94.4 157.4 262.3
150 11.8 30.9 67.7 92.6 154.3 257.1
175 11.7 30.4 60.9 91.3 152.2 253.7
200 11.6 30.2 60.5 90.7 151.2 252.0
225 11.5 30.0 60.1 90.1 150.2 250.3
250 11.5 30.0 60.1 90.1 150.2 250.3
275 11.5 30.0 60.1 90.1 150.2 250.3
300 9.0 23.3 46.7 70.0 116.7 194.6
325 5.4 14.0 28.0 42.0 69.9 116.6
This chart shows the pressure-temperature rating for ASTM B148 Alloy C95200 flanges from class 150 to class 2500. Hover on the nodes to see the values of pressure at specific temperature.