ASME B16.34 - Group 3.17, Pres-Temp Rating

Written by Jerry Ratzlaff. Posted in American Society of Mechanical Engineers

American Society of Mechanical Engineers (ASME)

standards

  • ASME B16.34 - Valves Flanged, Threaded and Welding End

ASME B16.34 - Materials in Group 3.17 - Nickel and Nickel Alloy

  • [1] Use solution annealed material only.
Material

Group No.

Material Nominal

Designation

ForgingCastingPlateBarTubular
3.17 29NI-20.5CR-3.5CU-2.5MO - A351 Gr. CN-7M [1] - - -

ASME B16.34 - Material Group 3.17 - Standard Class, Temperature Rating

  • Ratings are maximum allowable working gage pressure (psig) at the temperature listed.
Temp. °F15030040060090015002500
-20 to 100 230 600 800 1200 1800 3000 5000
200 200 520 690 1035 1555 2590 4320
300 180 465 620 930 1395 2330 3880
400 160 420 565 845 1265 2110 3520
500 150 390 520 780 1165 1945 3240
600 140 360 480 720 1080 1800 3000