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  #1  
Old 10-24-2007, 11:40 PM
dan adams1953 dan adams1953 is offline
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mig welding

can I get away with mig welding some small parts together and then forge weld?
my concern is forge contamination.
thanks


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  #2  
Old 10-25-2007, 06:38 AM
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Robert Dark Robert Dark is offline
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Quote:
Originally Posted by dan adams1953
can I get away with mig welding some small parts together and then forge weld?
my concern is forge contamination.
thanks
Dan,

If you are starting a billet from say 1095 and 15N20, it is fine to MIG the ends of your billet in order to help hold them together until you get your initial forge weld.

These end welds will be considered "drops" and will usually be cut off of the finished billet.

Works for me, but others may have different opinions.

Robert
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  #3  
Old 10-25-2007, 05:01 PM
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I agree with Robet, Ive done it this was from day one. I usually cut the end off(opposite the handle end) to lessen the likelyhood of getting the weld into the billet. Just me though.

God Bless
Mike


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Old 10-25-2007, 09:47 PM
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Woodchuck Forge Woodchuck Forge is offline
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I have gone so far as to mig weld all the edges to create a sealed billet. It can be dry welded (no flux). Just have to grind or mill off all the weldment. I have gone to a box like method welding .125 mild steel around the billet sealing it up. Then just mill off the box. Works like a charm.

Chuck


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  #5  
Old 10-26-2007, 09:32 AM
Matt22191 Matt22191 is offline
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Dan,

Do you mean forge contamination, or weld contamination? If you meant forge contamination, I wouldn't sweat it. I don't think there's anything in MIG wire that's going to contaminate your welding forge.

As far as weld contamination, it depends what you're doing. If you're pattern welding, it can mess up the pattern if you're not careful. (See replies above.) If you're just making a tool that won't be etched to expose fancy pattern welding, using a few MIG tacks to hold the work pieces together while you forge weld shouldn't be a problem.
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  #6  
Old 10-28-2007, 06:26 PM
dan adams1953 dan adams1953 is offline
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thanks guys, I should have been more clear I'm trying to weld what I belive to be 1018
to some small 1084 blades.
seems everytime I try to wire parts together wire breaks or the parts move.


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  #7  
Old 10-28-2007, 11:10 PM
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Mig welding will not contaminate the forge. May i ask why are you welding 1018 to 1084 blades?? Does not sound like pattern welding. Extending the tangs?? If so why not just mig weld them on??

Chuck


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  #8  
Old 10-30-2007, 08:05 AM
dan adams1953 dan adams1953 is offline
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Quote:
Originally Posted by Woodchuck Forge
Mig welding will not contaminate the forge. May i ask why are you welding 1018 to 1084 blades?? Does not sound like pattern welding. Extending the tangs?? If so why not just mig weld them on??

Chuck
That would be the easy way Chuck, I am under a special mandate to do things the hardest way possible.

I'm taking them back to work and welding them on.
Iget a way of doing something in my head and some times I stop thinking about it.
I'm just blaming old age.


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