Maximum working pressure figures for a Class 300 (ASA300/ASME B16.5) stainless steel flange (e.g., ASTM A182 F304/F316 material) across various operating temperatures.
Temperature Range (°C)
Class 300 Max Pressure (bar)
-29°C to 38°C (Ambient)
51.1 bar
100°C
48.7 bar
200°C
44.5 bar
300°C
40.5 bar
400°C
37.3 bar
Note: These figures assume non-shock conditions and are representative values for common stainless steel grades. The precise maximum pressure for a specific application should always be verified against the official ASME B16.5 Pressure-Temperature Ratings for the exact material and temperature in use.
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