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  1. AndrewM7

    Cast 17-4PH Heat Treat - Hardness vs Yeild Strength?

    Anyone with good insight on heat treating investment cast 17-4. Most recipes I’ve looked at, of course, start with the material at Condition A (annealed) from the mill. I’ve also seen the anneal processed outlined, 1950 ± 25°F (1066 ± 14°C) for ½ hr, but is it necessary for cast parts, and how...

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