03-27-2014, 01:03 PM
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#12
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Senior Member
Join Date: May 2010
Location: Santee, California
Posts: 3,505
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Re: How would you repair this?
Quote:
Originally Posted by MikeK
I'll probably catch hell for suggesting this, but I would use AWS Bag-23 Silver-Manganese brazing alloy. It is 85%Ag, 15%Mn.
Tight solidus/liquidus range starting about 1780F, very fluid at 1900F, it will easily wet and flow into the cracked section leaving a very small fillet. Much stronger than the steel when finished, and ductile enough to take some dolly work to make corrections after.
It contains NO copper, zinc, or cadmium, so the problems known to using standard yellow brazing alloys under paint are non-existent.
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Mike can you source that for me? I would TIG it if I had one, but don't.
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