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Subject: Use of Martensitic Stainless Steel in Vacuum systems

Date: 04/15/02 at 7:03 AM
Posted by: Jess Clarke
E-mail: jessmaryclarke@yahoo.com
Message Posted:


I have a UHV application where I would like to use a Martensitic stainless steel for its magnetic properties. However, I am having difficulties obtaining my required ultimate pressure and an RGA scan has revealed higher levels of hydrogen than the previous design which used 304 st st.
Is there a way of increasing the rate of hydrogen outgassing (I assume this is the root cause) by some process prior to assembly into the system.

Thanks for your help,

Jess Clarke.

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