Andy,

I somewhat agree with Bev that some of the no-clean solder pastes and fluxes
should allow you to solder to Nickel-Silver.  I disagree that is commonly
referred to as German Silver.  Since he's from Canada it may commonly be
referred to there and in Europe as German Silver but in my 40 years in
telecommunication equipment soldering I've commonly heard it referred to as
Nickel-Silver.

I also agree with Phil, any flux that contains zinc chloride and HCl should
solder almost any metal.

You might also want to try soldering with a standard WSF and you should have
success.

My other recommendation is to do solderability testing in your analysis lab
and she what flux works

George

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian
Sent: Thursday, August 17, 2017 4:12 PM
To: [log in to unmask]
Subject: Re: [TN] Soldering to 'Nickel-Silver'

Andy,
This is commonly referred to as German Silver.  I have seen it often used
for RF cans.  It should solder fine with your usual non-clean solder pastes.
However, will the can warp?  We set specific maximum sizes for different
shapes of RF cans (not that the designers would always listen).  We also
measured can warpage using shadow moiré.

Regards,
Bev Christian
HDP User Group

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Giamis, Andy
Sent: Thursday, August 17, 2017 3:38 PM
To: [log in to unmask]
Subject: [TN] Soldering to 'Nickel-Silver'

Hi Folks,
Has anyone had experience soldering to 'Nickel-Silver' 
This is a ternary alloy with approximately 60% Cu, 20% Ni, 20% Zn.

If so, are there any special considerations such as flux type, pre-tinning
etc...



Best Regards,
Andy
Senior Failure Analysis Engineer
CommScope
2601 Telecom Pkwy
Richardson, TX, 75082, USA