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  1. hycpres

    Manufacturing Process for 17-7 PH Stainless Valve Plates

    We have a need to make some very flat plates from hardened 17-7 PH stainless. The problem we're having is that the plates are ported and ground flat and parallel within 0.001", and we must have a final hardness of around 42Rc. We've already failed on one batch, where we ended up with the...

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