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Essmetuin Special Core Solder Wire for Stainless Steel/Nickel Sheet/Zinc Flake/Copper/Iron Sheets/Aluminum Soldering, Multifunctional Core Solder Wire 1.0mm(0.04in) 1.4oz/2pack : Amazon.ca: Tools & Home Improvement
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Why is flux required when brazing brass and not required with copper to copper? – Harris Products Group
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