DIN EN 515:1993
| State: | Description: |
| O | Soft annealed – Products with the material condition O can be defined in case of the material condition was caused by a warm forming procedure |
| H111 | Annealed and slightly strain-hardened during subsequent operations such as stretching or leveling |
| H18 | Strain hardened – 4/4 hard (fully hardened) |
| H24 | Strain hardened and reannealed – 1/2 hard (half hard) |