| Germany | U.S.A |
| DIN 17,172 | API 4L, 5L |
| St E 210.7 | A |
| St E 240.7 | B |
| St E 290, 7 (TM) | X 42 |
| St E 320, 7 (TM) | X 48 |
| St E 360, 7 (TM) | X 52 |
| St E 385, 7 (TM) | X 56 |
| St E 415, 7 (TM) | X 60 |
| St E 445, 7 (TM) | X 65 |
| St E 480, 7 (TM) | X 70 |
Source:
Tags: St E 210.7, St E 240.7, St E 290,
