Stabilizing heat treatment
Stabilizing heat treatment
(OP)
Could anybody here tell me what is Stabilizing heat treatment and what is Heat Annealing heat treatment for stainless steel. What are the differences between them?
Thanks
Thanks





RE: Stabilizing heat treatment
If the material is a clean single phase to start with then annealing (such as after cold working) in the lower end of the temperature range for annealing would give suitable strain recovery and still maintain the single phase structure.
In alloys that have strong carbide formers added (321 and 347) you can stabalize the alloy. This is exposing the material to a temperature where you will rapidly form carbides with the Ti or Nb prior to placing the material into service. This will prevent (or at least greatly slow) the fromation of intergranular chromium carbides and the associated sensitization of the material.
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Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: Stabilizing heat treatment
A solution annealing treatment is normally performed at 1040 to 1100 deg C on all grades of austenitic stainless steels to assure complete solubility of chromium and upon rapid cooling to reduce the risk of sensitization.
RE: Stabilizing heat treatment
RE: Stabilizing heat treatment
solution annealing of stainless steel
stabilizing treatment of stainless steel
RE: Stabilizing heat treatment
I guess that I will expand my comments a bit more. For solution anneal I usually like to be above 1065C, but you really need to watch out for grain growth at those temps.
When a part, like a tube, has been solution annealed and then cold drawn you can reanneal at some very low temperatures down around 980C.
A lot of 321 that goes into service is not stabalized. If hte service tempertaure is in the senstizing range (over about 650C) many people will just let it happen in service.
= = = = = = = = = = = = = = = = = = = =
Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm
RE: Stabilizing heat treatment
Atlas Metals has an excellent technical handbook on stainless steels that is free.
http://www.atlasmetals.com.au/
Go to the web site and find the Tech info box. Scroll down to find the Technical Handbook on Stainless Steels.