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420ss Heat treating

Ranman

Plastic
Joined
Jan 21, 2020
We have these 420ss parts we run and after running we dip these parts in acetone then alcohol. Then when we package them for heat treat we put moisture absorbing packs in the cases. When the parts come back from heat treating they are spotted all over. The vendor swears up and down its something we are doing/not doing. Any insight or suggestions on this?
 
When you say 'dip', is that just dunk and remove or do the parts get agitated in the acetone too? What purpose does the alcohol serve after the acetone bath?
 








 
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