Mikw -- Ni-Cr alloys can be soldered with 95%-Tin, 5%-silver
(plumbing) solder. The melting point is c. 221?C. J. W. Harris Sta-
Brite flux - which is made for soldering stainless steel alloys -
works well for soldering Ni-Cr. Before soldering, clean the oxides
off of the Ni-Cr with coarse steel wool or carbide paper. Apply drop
of silver solder to tip of iron, touch drop to the joint to be
soldered, remove iron, apply drop of flux. The flux will sizzle -
which activates the flux. Re-apply soldering iron and the joint
should suck in the drop of silver-solder. The flux residue should be
removed with running warm water and a toothbrush. If the iron is
temperature controlled, 600?F seems to work well since higher
temperatures break down the flux into useless brown goo.

On Sep 17, 2006, at 7:05 AM, Mike Sawyer wrote:

> This has some redeeming value, but on another bulletin board, the
> topic of using nichrome wire came up being used as a meter shunt.
> someone chimed in that you can't solder to nichrome wire. Another
> stated that you had to add enough solder to the joint to make it
> mechanically stable. I was under the impression that you had to use
> allot of heat, (like one of those large soldering irons you see in
> the bargain boxes below the flea market tables), due to the heat
> wicking properties of the wire. Am I correct in that assumption or
> only half correct?
> Mod-U-Lator,
> Mike(y)
> W3SLK
>

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