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The molybdenum alloy steel pressure vessel plates made in accordance with ASTM A204/ ASME SA-204 may be furnished in three grades: Grade A, Grade B, and Grade C. They are particularly intended for welded boilers and other pressure vessels. The Table U of ASME Boiler & Pressure Vessel Code Section II Part D has listed the tensile strength values of these grades for an extensive range of elevated temperatures. The values shall be only used for design calculation purpose.
Temp. | Su |
---|---|
40 | 448 |
100 | 448 |
150 | 448 |
200 | 448 |
250 | 448 |
300 | 448 |
325 | 448 |
350 | 448 |
375 | 448 |
400 | 448 |
425 | 448 |
450 | 440 |
475 | 422 |
500 | 401 |
525 | 376 |
Temp. | Su |
---|---|
40 | 483 |
100 | 483 |
150 | 483 |
200 | 483 |
250 | 483 |
300 | 483 |
325 | 483 |
350 | 483 |
375 | 483 |
400 | 483 |
425 | 483 |
450 | 474 |
475 | 455 |
500 | 432 |
525 | 404 |
Temp. | Su |
---|---|
40 | 517 |
100 | 517 |
150 | 517 |
200 | 517 |
250 | 517 |
300 | 517 |
325 | 517 |
350 | 517 |
375 | 517 |
400 | 517 |
425 | 517 |
450 | 508 |
475 | 487 |
500 | 463 |
525 | 433 |