| Abbreviation |
Meaning of the abbreviation |
| HR |
Hot Rolled |
| N |
Normalised or Normalised Rolled |
| NL |
Normalised or Normalised Rolled Low Temperature Toughness - 50 °C (L) |
| TM |
Thermomechanically Rolled |
| TMCP |
Thermomechanically Controlled Process |
| MC |
Thermomechanically Rolled (M) Special Cold Forming (C) |
| M |
Thermomechanically Rolled (M) |
| ML |
Thermomechanically Rolled (M) Low Temperature Toughness - 50 °C (L) |
| QC |
Quenched (Q) Special Cold Forming (C) |
| S |
Structural Steel |
| P |
Steel for Pressure Purposes |
| S |
Simple Pressure Vessel (instandard EN 10207) |
| L |
Low Temperature |