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SS 316 High performance fittings > Technical Reference > Pressure Tables > Temperature Derating Factors


  Technical Reference
Pressure Tables - Temperature Derating Factors
Stress Factors for Determining Tubing
Pressure Ratings at Elevated Temperatures
 
Temperature Stress Factors
Temperature Stainless Steel Copper Monel® 400
°F °C 304SS SS 316SS
100 38 1.00 1.00 1.00 1.00
200 93 1.00 1.00 0.80 0.88
300 149 1.00 1.00 0.78 0.82
400 204 0.94 0.97 0.50 0.79
500 260 0.88 0.90 n/a 0.79
600 SS 316 0.82 0.85 n/a 0.79
700 371 0.80 0.82 n/a 0.79
800 427 0.76* 0.80* n/a 0.76
900 482 0.73* 0.78* n/a 0.43
1000 538 0.69* 0.73* n/a n/a
1200 649 0.30* 0.37* n/a n/a
* The precipitation of chromium carbides potentially resulting in intergranular corrosion may occur when exposed to operating temperatures above 800°F. Consult the factory for further information.