Stellite 6 overlay with MIG

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Hello guys, i am having issues with some overlay of Stellite 6 onto some 316.I have done this process before onto carbon steel, however when i attempted this onto the 316 the other day my MIG TIP would keep melting into my wire and then stop. I preheated my piece to about 200Fusing compressed Argon for gasused .045 Stoody wirehad my amps set about 27 and was using a turntable since its a clapper that goes into a valve.the clapper is about 36 in diameter, i am welding only about a 4 inch width along the outside, about 3/16 high.i have changed and checked my diffuser multiple timestried lowering my ampsand picked up my travel speed. this seemed to help the most but it was still melting my tips.please let me know if you have any suggestions on what i should try differentlythanks everyone
Reply:Have you called Stoody and asked them? They have very good customer support.A few weldersA lot of hammersA whole lot of C-clamps
Reply:that is a good idea. i will try to get ahold of them. I am also now thinking that i need to ensure my dig is lowered, or turned completely off. this could be contributing to the extra heat being set back up into the wire and over heating the nozzle and tip. i think
Reply:What shielding gas is recommended for applying it to stainless? If it needs a special mix could be the problem.
Reply:Stoody's data sheet recommends straight Argon. It also says that pre-heat and interpass temps are critical for best performance, and suggests that pulse MIG be used. Their techs should be able to help you with the specifics of using the wire on 316 base metal.JohnA few weldersA lot of hammersA whole lot of C-clamps
Reply:i am going to get ahold of Stoody on Monday, and also download the manual for the Miller 652 so i can check out the pulse spray. Argon is what i was thinking, however i have used a tri mix gas welding 316 before and am wondering if this might help out as well. I will ask Stoody and see what they suggest
Reply:I take it you mean 27 volts and not amps.You haven't listed your shielding gas flow rate, WFS or wire stick-out that could prove helpful in addressing your issue.MM200 w/Spoolmatic 1Syncrowave 180SDBobcat 225G Plus - LP/NGMUTT Suitcase WirefeederWC-1S/Spoolmatic 1HF-251D-1PakMaster 100XL '68 Red Face Code #6633 projectStar Jet 21-110Save Second Base!
Reply:are you sure its feeding the wire constant?  any slowdown in the WFS from dragging the liner or tip could cause burn backVantage 500's LN-25's, VI-400's, cobramatics, Miller migs, synch 350 LX, Powcon inverters, XMT's, 250 Ton Acurrpress 12' brake, 1/4" 10' Atlantic shear,Koikie plasma table W/ esab plasmas. marvel & hyd-mech saws, pirrana & metal muncher punches.