Cu6

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Cu6

To anneal copper alloy 145, heat to dull red. Can let it air cool but a lot of black stays on that needs to be cleaned off. If you water cool, 90% of black goes away. It is now dead soft and I crushed the .050" wall wire side and it had no problem crushing without fatigue.
Y9-01-02

Date: 01/02/2009

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