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  • Users: MaryPi
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  1. MaryPi

    Soften TDH4 BeCu to 30-35HRC

    Hello, I have Full Tempered (TDH4) Beryllium Copper that is on the range of 35-42HRC and I want to soften it to 30-35HRC, I know Age Hardening Temperature is 2-3 hours on 600's°F but this will be my first time softening. I am not sure if more than 3 hours Work Zone time will softer them. If...

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