| Manufacturing Stage | Parameters To Be Controlled | Parameters To Be Controlled |
| - | On Product | On Equipment |
| Melting and Casting | chemical composition | melting and casting temperature |
| - | dimensions | cooling parameters |
| - | quality of surface and of cut ends | casting speed |
| - | - | - |
| Hot Extrusion | dimension incl. eccentricity | heating parameters |
| - | surface quality | tool quality |
| - | - | - |
| Cold Working | dimensions | tool dimensions and quality |
| - | surface quality | lubrication |
| - | - | - |
| Annealing | surface quality | time |
| - | inner surface : visually on a cross Cut coil or and by cleanliness test | temprature |
| - | - | atmosphere |
| Packaging | quality of packaging | - |
Quality Control