High Temperature Tubes and Pipes Standard
| Grade EN / UNS | Sizes | Tolerances | Testing |
| 1.4749/S44600 | EN ISO 1127 Metric: Not standardized =NSI/ASME B 36.19 | EN ISO 1127 | ASTM A213/A 450 |
| 1.4959/N08811 / N08810 | ANSI/ASME B 36.19 | Cold finished:ASTM B 407 Hot finished: ASTM A999 | Cold finished:ASTM B 407 Hot finished: ASTM B 407 |
| 1.4835/S30815/253MA 1.4854/S35315/353MA | ANSI/ASME B 36.19 | ASTM A999 | ASTM A312/A 999 |
