RE: Metco 45C-NS
Hi Giuiori
As 45C is a cobalt based powder with tungsten carbide, you must be sure that your test evaluation methot is ok, because some clusters oxides could be tunsten granes damaged during text preparation, as you use an F4 gun, and twin tipe powder feeder, you can use the following parameters
Nozzle type; ø 6mm
Injector diamater ø 1.8mm
Injector angle 90
Injector distance (radial) 6mm
Current 580 A
Recorded Voltage 64 V
Argon (Ar) 54 slpm
Hydrogen (H2) 10 slpm
Powder Feeder Unit Twin 10
Spreader / Suction piece type L/L
Powder carrier gas 2.8 slpm
Powder feed rate 48 g/min
Stirrer speed 60 RPM
Spray distance 120 mm
Surface speed 75 m/min
Forward speed 4 mm/rev
Best regards
Luigi
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