[TheForge] disintegrating welding rod

[Peter Fels And Phoebe Palmer]

In theory, TIG welds should be the least susceptable to that problem. 
I've found that running the weldment through a normalizing cycle  first 
helps...PF

TodEstesRN at aol.com wrote:

>In a message dated 12/21/2004 6:29:52 PM Central Standard Time, 
>xlch58 at swbell.net writes:
>Justin Fellenz wrote:
>
>  
>
>>All,
>>
>>I've been finding that electric welds, especially tig, disintegrate in
>>the forge. Last session I cheated and tigged a couple of pieces of bar
>>together rather than forge-weldng them. I used a general purpose mild
>>steel gas welding rod (probably RG-45, copper coated) and 2 1/2" round
>>bars of 1018 or 1020, or, my supplier said, maybe a38. I cleaned the
>>rods up with a flap wheel, beveled the edges, and burnt em together.
>>Looked like good penetration,a little sparking from junk on the metal
>>but not too bad. But when I heated it up and beat on it with a hammer,
>>the filler just sort of diappeared leaving gaps between the bar ends. 
>>
>>Maybe I didnt get it all the way clean and carbon or scale deposits or
>>whatever heated up and blew the filler or the HAZ metal out. My best
>>guess. Anyone else experience this? I find that mig welds hold up ok as
>>long as the penetration's really good, but where it's not it looks like
>>the HAZ again just kind of powders and the bead pulls away from the
>>bar.
>>
>>Thoughts?
>>
>>Cheers,
>>
>>JRF 
>>    
>>
>Don't know why that happened but have had good luck Oxy/Acy gas welding then 
>forging. 
>
>
>Time enough for sleep in the grave.
>Tod Estes
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