Quote:
Originally posted by bigben2k
Nice work JD.
I had to check my heatercore, and I believe that my fins are copper. The tanks, tube and exterior are clearly brass, yellow brass.
The whole core looks like it was dipped in lead. There's a small section that got missed, and it's very thin, almost flimsy, but most likely copper. I scratched it with a small knife, and the red color remains.
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Just like JD says then...
But maybe that was what you ment...
Quote:
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The channel is stamped and formed from a brass ribbon and the air fin is roll formed from a copper ribbon. The two are then inserted together automatically and deposited into a chute for core assembly. The fin and channel are marked with the distribution and return tanks using universal framing fixtures. Both faces of the core bodies and all corners are then run through an automated flux and solder dipping process.
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