Pressure vessel steel grades
4 pressure vessel steel grades from 2 designation systems, each with a full data sheet. Sorted by system; the yield and tensile values are the first line of each grade's mechanical table.
EN (European)
| Grade | No. | Type | C % | Yield MPa | Tensile MPa | Equivalents |
|---|---|---|---|---|---|---|
| 16Mo3 | 1.5415 | Molybdenum-alloyed steel for pressure purposes at elevated temperature | 0.12 – 0.2 | 275 | 440–590 | A204 Gr. A, A204 Gr. B, A335 P1 |
| P265GH | 1.0425 | Non-alloy steel for pressure purposes with elevated-temperature properties | ≤ 0.2 | 265 | 410–530 | A516 Gr. 60, A516 Gr. 65, A285 Gr. C |
| P355NH | 1.0565 | Weldable fine-grain normalized steel for pressure purposes, elevated temperature | ≤ 0.2 | 355 | 490–630 | A516 Gr. 70, A537 Cl. 1, A737 Gr. B |
ASTM / ASME
| Grade | No. | Type | C % | Yield MPa | Tensile MPa | Equivalents |
|---|---|---|---|---|---|---|
| A516 Grade 70 | K02700 | Carbon steel plate for pressure vessels, moderate and lower temperature | ≤ 0.27 | 260 | 485–620 | P295GH, P265GH, P355GH / P355NH |