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Subject: Re: gas holes in steel castings
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Date: 07/06/03 at 11:34 AM
Posted by: Arun Rao
In Reply to: gas holes in steel castings posted by jayanthi on 07/01/03 at 12:53 PM:
What is your deoxidation practice? Also what is the charge used in the furnace? Any different core practice for the 2 ranges of valve castings? Perhaps one of these could be contributing to gas porosity? Is it revealed during machining or in radiography?
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