tig weld copper to mild????

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Is it possible. If so, what to look out for and what type of filler? AC, DC? - Thanks!
Reply:DCSP (DCEN), silicon-bronze filler.
Reply:Originally Posted by MAC702DC-, silicon-bronze filler.
Reply:copper to mild steel?i dont think so... ...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Why not?  It's done all the time.  Maybe you're thinking aluminum to mild steel?
Reply:copper...to mild steel...WHY?...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Why not?  One non-GTAW example is thermite welding in the electrical industry for welding copper cables to structural steel.
Reply:lol thats way past me...i'll stick to cylinder heads and intakes and race car parts..science   ...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Originally Posted by zapstercopper...to mild steel...WHY?...zap!
Reply:Originally Posted by kshellrazorWhy not?I am sure artists that do sculpture would like to know???? - Not my need, but I could think of a lot of reasons why, so just wanted to know.So, is this common, or is this a no - no? I have two opinions. Which is right?
Reply:Originally Posted by zapsterwell seeing as we all learn here i guess you can.. i've never heard of it let alone do it..but if it can be done then i am going to do it..film at 11...zap!
Reply:that 11 could be a month from now... hope you have hi def to watch the trailers... ...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:lol  will wait for dvd
Reply:Can it be brazed instead; maybe with silver solder or bronze rod?just curious,cricman
Reply:I agree with MAC702, TIG silicon bronze (everdur).The silicon bronze is applied by TIG "Brazing", you do not want to melt the steel or copper base metal.Yes, you can also join steel and copper by conventional torch or furnace brazing, with various braze filler materials.Metallurgicallly, steel and copper are not compatible for fusion welding, copper causes "hot cracking" in steels.  If the weld is not critical, you can actually TIG weld copper and steel, but it will not likely be strong or leak tight.
Reply:Originally Posted by pulserI agree with MAC702, TIG silicon bronze (everdur).The silicon bronze is applied by TIG "Brazing", you do not want to melt the steel or copper base metal.Yes, you can also join steel and copper by conventional torch or furnace brazing, with various braze filler materials.Metallurgicallly, steel and copper are not compatible for fusion welding, copper causes "hot cracking" in steels.  If the weld is not critical, you can actually TIG weld copper and steel, but it will not likely be strong or leak tight.
Reply:Regarding TIG brazing, the setup and process is similar to TIG welding, but the base metals are not melted.  The Everdur rod is held in one hand and positioned in the joint to be brazed.  The DCEN TIG arc is then applied to the Everdur rod and the joint.  The Everdur rod melts and wets the base metals, flowing to form a brazed joint.  The rod can be more or less laid in the joint and the arc run over it.  You may have to push more rod into the joint if the rod is much smaller than the joint to be filled.Brazing is similiar to soldering in that the filler material melts at a lower temperature than the base metals, and the base metal is not melted.  Soldering is low temperature, Brazing is high temperture, don't remember the technical definition on what the actual temperature ranges are.
Reply:Originally Posted by pulserRegarding TIG brazing, the setup and process is similar to TIG welding, but the base metals are not melted.  The Everdur rod is held in one hand and positioned in the joint to be brazed.  The DCEN TIG arc is then applied to the Everdur rod and the joint.  The Everdur rod melts and wets the base metals, flowing to form a brazed joint.  The rod can be more or less laid in the joint and the arc run over it.  You may have to push more rod into the joint if the rod is much smaller than the joint to be filled.Brazing is similiar to soldering in that the filler material melts at a lower temperature than the base metals, and the base metal is not melted.  Soldering is low temperature, Brazing is high temperture, don't remember the technical definition on what the actual temperature ranges are.
Reply:i have welded my template (copper pattern for props)  to the ss props so i can be done
Reply:If you're using silicon bronze rod, you're not welding, you're brazing.  Regardless of the heat input.  Copper and mild steel can't readily exist in solid solution as a weld.  Even high energy welding processes such as electron beam and laser cannot accomplish it.  They will fuse the copper to the steel, but there will not be any alloying.I r 2 a perfessional
Reply:?? i do  weld NIBRAL  props
Reply:Prop doctor, what weld process and what filler metal are you using for welding the copper or the Nibral to the stainless?I r 2 a perfessional
Reply:im not trying to do it, it has happened when temp is too hot and im too close . i usually use 309, 1/16  wire (TIG) all i use on ss propellors. the copper is a template/backer for the blades. i dont use nibral on ss. nibral is a nother type of props i weld( the ones that look like brass)