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Mn Bronze C86500 - Welding or Brazing

Mn Bronze C86500 - Welding or Brazing

Mn Bronze C86500 - Welding or Brazing

(OP)
What is the weldability and brazeability for this alloy?   

RE: Mn Bronze C86500 - Welding or Brazing

I am pretty sure it will braze - not sure about welding.  Check ASME

RE: Mn Bronze C86500 - Welding or Brazing

http://www.copper.org/resources/properties/db/CDAPropertiesResultServlet.jsp?action=search

The Copper Association website, www.copper.org has properties listed for this (and every other C-series) alloy.  Braze- and solder-ability are listed as "fair", and welding by any method is listed as "poor".  This is most likely due to the 39% Zinc content, as it will outgas horribly during fusion of the alloy.

If you want something weldable, try the silicon bronzes.

RE: Mn Bronze C86500 - Welding or Brazing

Weldability is lousy. A technical term that I coined that means a material weldability is between poor and not weldable.

RE: Mn Bronze C86500 - Welding or Brazing

(OP)

Thanks btrueblood, I later got around to the CDA, which is a pretty good resource for those times I need to join a copper alloy, about once every three years.

Metengr, can I steal your terminology? I think I could apply it more frequently than once every three years.

RE: Mn Bronze C86500 - Welding or Brazing

(OP)
Interference fit it is (I was not initially offered that option).

No trouble doing the math, but how important is surface finish? Fit will be class FN3.

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