Thank you all who responded! I got just the information I was looking for from each person. Greatly appreciated!
odin

-----Original Message-----
From: McGlaughlin, Jeffrey A <[log in to unmask]> 
Sent: Tuesday, May 14, 2019 9:11 AM
To: TechNet E-Mail Forum <[log in to unmask]>; Stadem, Richard D <[log in to unmask]>
Subject: RE: Soldering to stainless steel

https://www.delphiglass.com/soldering-supplies/flux-finishing-chemicals/ruby-paste-flux-2-oz
This is extremely active so use with care, but it will work to allow soldering even to passivated ss.

Thank you,
Jeffrey

Jeffrey McGlaughlin, C.I.D.
Engineering Designer
ST RE Str Eng & Analysis
Office: 614.424.7582| Fax: 614.458.7582
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-----Original Message-----
From: TechNet <[log in to unmask]> On Behalf Of Stadem, Richard D
Sent: Tuesday, May 14, 2019 8:55 AM
To: [log in to unmask]
Subject: [TN] Soldering to stainless steel

Message received from outside the Battelle network. Carefully examine it before you open any links or attachments.

Has anyone ever tried soldering to SST, like small connector posts, etc?
Is it even possible to form an IMF using standard Sn63 or SAC305, or are there other alloys that can be used at higher reflow temps? How reliable is the connection?