ASME B16.34 - Group 3.15, Pres-Temp Rating

Written by Jerry Ratzlaff on . 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 3.15 - Nickel and Nickel Alloy

  • [1] Use solution annealed material only.
  • [2] Not to be used over 1000°F.
Material

Group No.

Material Nominal

Designation

ForgingCastingPlateBarTubular
3.15 33NI-2FE-21CR
NI-MO
NI-MO-CR
B564 Gr. N08810 [1]

 


B494 Gr. N-12MW [1] [2]
B494 Gr. CW-12MW [1] [2]
B409 Gr. N08810 [1]

 

B408 Gr. N08810 [1]

 

B407 Gr. N08810 [1]

ASME B16.34 - Material Group 3.15 - Standard Class, Pressure-Temperature Rating

  • Ratings are maximum allowable working gage pressure (psig) at the temperature listed.
  • [1] Use with buttweld valves only. Flanged end rating stop at 1000°F.
Temp. °F15030040060090015002500
-20 to 100 230 600 800 1200 1800 3000 5000
200 205 540 720 1080 1620 2700 4500
300 195 505 675 1015 1520 2530 4220
400 185 480 640 960 1440 2400 4000
500 170 455 610 910 1370 2280 3800
600 140 440 585 880 1320 2195 3660
650 125 425 565 850 1275 2125 3540
700 110 420 560 840 1260 2100 3500
750 95 415 550 825 1240 2065 3440
800 80 410 545 815 1225 2040 3400
850 65 400 530 795 1195 1990 3320
900 50 395 530 790 1190 1980 3300
950 35 385 515 775 1160 1930 3220
1000 20 365 485 725 1090 1820 3030
1050 20 [1] 325 435 650 975 1625 2710
1100 20 [1] 320 430 640 965 1605 2675
1150 20 [1] 275 365 550 825 1370 2285
1200 20 [1] 205 275 410 620 1030 1715
1250 20 [1] 180 245 365 545 910 1515
1300 20 [1] 140 185 275 410 685 1145
1350 20 [1] 105 140 205 310 515 860
1400 20 [1] 75 100 150 225 380 630
1450 20 [1] 60 80 115 175 290 485
1500 20 [1] 40 55 85 125 205 345