[Elecraft] Silver bearing solder
John Payne
paynej1 at earthlink.net
Sat Jun 25 09:38:23 EDT 2005
Must be the new math - 361 - 354 = 100. <Grin!> Or have I managed to
miss something?
73 de John AI4JH
Jeremiah McCarthy wrote:
>Actually, silver bearing solder has a lower melting temperature than 63/37 tin/lead solder...63/37 melts at 361 degrees...The silver bearing solder that McMaster-Carr sells is listed at 354 degrees, almost 100 degrees cooler than 63/37, and is called "low melting point " solder...It's composition is 62% tin, 35.75% lead, 2% silver, 0.25% antimony, and it has a multi-flux core...It meets J-STD-006 federal specs, which is the same as 63/37 and tells me it safe to use...It costs about $10 a pound more than 63/37 and seems ideal for SMT...
>
>Jerry, wa2dkg
>_______________________________________________
>Elecraft mailing list
>Post to: Elecraft at mailman.qth.net
>You must be a subscriber to post to the list.
>Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
>Help: http://mailman.qth.net/subscribers.htm
>Elecraft web page: http://www.elecraft.com
>
>
>
---
avast! Antivirus: Outbound message clean.
Virus Database (VPS): 0525-5, 06/25/2005
Tested on: 6/25/2005 9:38:24 AM
avast! - copyright (c) 1988-2005 ALWIL Software.
http://www.avast.com
More information about the Elecraft
mailing list