ASME B16.34 - Group 2.1, 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 2.1 - Austenitic Steel
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Material
Group No. | Material Nominal
Designation | Forging | Casting | Plate | Bar | Tubular |
2.1 | 18CR-8NI |
A182 Gr. F304 [1] A182 Gr. F304H |
A351 Gr. CF3 [2] A351 Gr. CF8 [1] |
A240 Gr. 304 [1] A240 Gr. 340H |
A182 Gr. F304 [1] A182 Gr. F304H A479 Gr. 304 [1] A479 Gr. 304H |
A312 Gr. TP304 [1] A312 Gr. TP304H A358 Gr. 304 [1] A376 Gr. TP304 [1] A376 Gr. TP304H A430 Gr. FP304 [1] A430 Gr. FP304H |
ASME B16.34 - Material Group 2.1 - Standard Class, Pressure-Temperature Rating
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Temp. °F | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 [1] | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 [1] | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 [1] | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 [1] | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 [1] | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 [1] | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 [1] | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 [1] | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 [1] | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 [1] | 25 | 35 | 55 | 80 | 135 | 230 |
Tags: ASME Standards