| No | Parameter | Low level | Middle level | High level |
| 1 | Spray distance of gun, mm | 75 | 100 | 125 |
| 2 | Carrier gas flow, Lit./min. | 20 | 30 | 50 |
| 3 | Powder flow rate, Gms./min. | 25 | 35 | 50 |
| 4 | RPM of the substrate | 150 | 250 | 350 |
| 5 | Arc current, A | 350 | 400 | 500 |