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ASME B16.34 - Group 3.10, Pres-Temp Rating

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standards

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

 

ASME B16.34 - Materials in Group 3.10 - Nickel and Nickel Alloy

  • [1] Use solution annealed material only.
  • [2] For forgings, the chemical composition, mechanical properties, heat treating requirements, and grain size requirements shall conform to the applicable ASTM specification. The manufacturing procedures, tolerances, tests, certification,and markings shall be in accordance with ASTM B564.
Material

Group No.

Material Nominal

Designation

ForgingCastingPlateBarTubular
3.10 25NI-47FE-21CR-5MO B672 Gr. N08700 [1] [2] - B599 Gr. N08700 [1] B672 Gr. N08700 [1] [2] -

 

ASME B16.34 - Material Group 3.10 - Standard Class, Pressure-Temperature Rating

  • Ratings are maximum allowable working gage pressure (psig) at the temperature listed.
Temp. °F15030040060090015002500
-20 to 100 275 720 960 1440 2160 3600 6000
200 260 720 960 1440 2160 3600 6000
300 230 680 905 1360 2040 3400 5670
400 200 640 855 1280 1920 3205 5340
500 170 610 815 1225 1835 3060 5100
600 140 595 790 1190 1780 2970 4950
650 125 570 760 1140 1705 2845 4740

 

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