Choose ONLY the gold over nickel plating under those circumstances,
otherwise you will make yourself a stick for own back for a few cents.
False economy.
Brian
Anat Douek wrote:
> It is OSP Panel feedthru connector made by MAACOM.
> Maacom has two options of the housing bushing plating :
> 1. stainless steel type 303 passivated per ASTM A 380
> 2. stainless steel type 303 with gold over nickel plating.
>
> Since option 1 is chipper we would like to purchase it, but our customer,
> who supposed to connect his mating connector, has connector made of
> stainless steel type 303 with gold over nickel plating.
> I hope it is clear now.
> Thank you in advance.
> Anat
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Hernefjord Ingemar
> Sent: Thursday, January 31, 2008 1:37 PM
> To: [log in to unmask]
> Subject: Re: [TN] galvanic compatibility
>
> this gives a different image. Seems like risk for galvanic currents.
> However, I'm still confused.
>
> A connector with passivated stainless steel 303?? What kind?
>
> And the gold plated connector, what's the body made of? Steel 303?
>
> Are you talking coaxial SMT SMA connectors or like? If that is the case, you
> must have steel-to-steel or gold-to-gold.
>
> /Inge
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Anat Douek
> Sent: den 31 januari 2008 10:45
> To: [log in to unmask]
> Subject: Re: [TN] galvanic compatibility
>
>
> Thank you for your response.
> It is not double plating. I have one connector with passivated stainless
> steel 303 and the mating connector is gold plating.
> The question is if it can be joined together, in high humidity level,
> without creation of corrosion Anat
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Hernefjord Ingemar
> Sent: Thursday, January 31, 2008 10:29 AM
> To: [log in to unmask]
> Subject: Re: [TN] galvanic compatibility
>
> Anat,
>
> why gold on passivated steel? Cosmetic aspect?
> Well, if it's a must, gold over steel is possible.
> There are lots of products with that finish, e.g. wrist watches.
>
> Passivation of steel is for protection against corrosion Gold plating is
> also for protection against corrosion.
> So, you want a double corrosion protection?
>
> Gold is not corrosive in itself and works as a corrosion protection if the
> gold is thick and free from pores. If too thin gold is used, corrosion can
> start through pores in the gold plating.
>
> So, if you happen to have minor contaminations in the steel AND a porous
> gold plating, there is a risk of pore corrosion. The steel surface roughness
> is also of importance.
>
> As always, there are some 'it depends'. If you describe the part to be
> plated, TN may give you a more precise answer.
>
>
> Inge
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Anat Douek
> Sent: den 30 januari 2008 14:37
> To: [log in to unmask]
> Subject: [TN] galvanic compatibility
>
>
> Hi,
> Is passivated stainless steel 303 can be joined to gold plating, in high
> humidity level, without creation of corrosion ?
>
> Regards,
> Anat
>
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