Heat treatment conditions
Here you will find an overview of the most important symbols and their meaning.
| Symbol | Bedeutung |
| +U | Untreated |
| +AR | As rolled |
| +A | Annealed |
| +SA | Spheroidise Annealed |
| +N | Normalised |
| +TH | Treated to Hardness range |
| +Q | Quenched |
| +QT | Quenched and tempered |