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 |