what filler rod is best to use on cast alum. would work best? this on an old worm gear drive cover on a skill saw thank's for any hep!!!!!
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cast or as some call pot aluminum
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4043 is what I used when I welded up one for my uncle and its held for a year
SteveDont force it, use a BIGGER hammer.
Linde VI-252C and Linde wire feeder.
Hobart Cyberwave 300c.
HH 140.
Miller Big 40.
Lincoln SAE 200J.
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Lincoln tombstone welder.
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Hey walker d,
Everything that is classified "diecast" or "potmetal" is a composition of garbage metals with aluminum, zinc, brass, copper, and antimony which are melted together & cast. The compositions vary and at times are a pain to repair. I found a repair rod for this material 10 years ago called HTS-735 from a fellow, Charles Kimbrough in Texas. I have done extensive repairs with potmetal with superb results with this rod. I believe he has improved this rod to the new offering he sells on E-Bay. It must be stressed that as with alum./alum.alloy, any diecast composition repair area has to be very clean to have a strong bond. I use a SS brush & acetone with all aluminum. This rod would be classified more a "brazing" rod than welding rod and a little practice on scrap will allow you to get the feel of using it. Quite easy. Hope this helps a bit. Here is the E-Bay listing. Good luck...... Denny
http://cgi.ebay.com/1USA-WELDING-ROD...3%3A3|294%3A50Complete weld/mach./fab shop
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Best way to tell if it's pot metal is pot metal is a good bit heavier.
They don't make hand saws out of it tho...way to heavy to sell them.
They do make saws out of mag sometimes tho as well as chainsaws etc...
Simply see if it "pools" with the tig and you will know if you can weld it.
About the craziest metal I've found is aftermarket door handles from Motormight. Even the splatter is like it's chrome.Miller Dynasty 700...oh yea baby!
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