ASME B16.34 - Group 3.4, Pres-Temp Rating
American Society of Mechanical Engineers (ASME)
standards
- ASME B16.34 - Valves Flanged, Threaded and Welding End
ASME B16.34 - Materials in Group 3.4 - Nickel and Nickel Alloy
- [1] Use 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 | Forging | Casting | Plate | Bar | Tubular |
|---|---|---|---|---|---|---|
| 3.4 | 67NI-30CU
67NI-30CU-S |
B564 Gr. N04400 [1]
B564 Gr. N04405 |
- | B127 Gr. N04400 [1]
|
B164 Gr. N04400 [1]
B164 Gr. N04405 [1] [2] |
B165 Gr. N04400 [1] B163 Gr. N04400 [1] |
ASME B16.34 - Material Group 3.4 - Standard Class, Pressure-Temperature Rating
- Ratings are maximum allowable working gage pressure (psig) at the temperature listed.
| Temp. °F | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
|---|---|---|---|---|---|---|---|
| 200 | 200 | 530 | 705 | 1055 | 1585 | 2640 | 4400 |
| 300 | 190 | 495 | 660 | 990 | 1485 | 2470 | 4120 |
| 400 | 185 | 480 | 635 | 955 | 1435 | 2390 | 3980 |
| 500 | 170 | 475 | 635 | 950 | 1435 | 2375 | 3960 |
| 600 | 140 | 475 | 635 | 950 | 1435 | 2375 | 3960 |
| 650 | 125 | 475 | 635 | 950 | 1435 | 2375 | 3960 |
| 700 | 110 | 475 | 635 | 950 | 1435 | 2375 | 3960 |
| 750 | 95 | 470 | 625 | 935 | 1405 | 2340 | 3900 |
| 800 | 80 | 460 | 610 | 915 | 1375 | 2290 | 3820 |
| 850 | 65 | 340 | 455 | 680 | 1020 | 1695 | 2830 |
| 900 | 50 | 245 | 330 | 495 | 740 | 1235 | 2055 |
Tags: ASME