Quenching gas for PH stainless steels
Quenching gas for PH stainless steels
(OP)
Hi experts,
In vacuum heat treating of 17-4 or 13-8, what are common quenching gases? Specifically, would nitrogen cause any concern if used in solution treatment (1900 F) and in aging (H1150 or lower)? For thick section (3-in), is argon adequate or do I need helium?
Thank you,
skaiup
In vacuum heat treating of 17-4 or 13-8, what are common quenching gases? Specifically, would nitrogen cause any concern if used in solution treatment (1900 F) and in aging (H1150 or lower)? For thick section (3-in), is argon adequate or do I need helium?
Thank you,
skaiup





RE: Quenching gas for PH stainless steels
http://www.vacaero.com/Vacuum-Heat-Treating-with-D...
RE: Quenching gas for PH stainless steels
Various sources say that you have to cool below 90F or 80F. The actual temp for full transformation depends on composition and it can vary from 120F to 80F.
For thick sections often you will furnace quench and then have to pull the parts and put them into cold water to finish the transformation.
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Plymouth Tube
RE: Quenching gas for PH stainless steels
RE: Quenching gas for PH stainless steels
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Plymouth Tube