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Recent content by Roberta Jarvis

  1. Roberta Jarvis

    Casting Porosity

    this question is directed to dbooker630. I have a question regarding your posting of porosity in castings. you said in a post "as far as size is concerned, I generally go with .060" diameter and .030" deep for porosity, shrink and sand holes if they are in a critical area. Double the size for...

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