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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

DarylS
.700 member

Reged: 10/08/05
Posts: 27009
Loc: Beautiful British Columbia, Ca...

Re: Why solder?
04/11/14 03:16 AM

Solder as I understand it.

There is what we call plain "Silver Soldering", what people in other parts of the world call high temp silver soldering, or silver brazing - red heat or a bit higher - from 75,000 to 90,000PSI shear on a 1 mil bond, or so my Dad taught me.

There are also different makes of silver solders in varying degrees of strength and fluidity. Some, as used for soldering on the carbide teeth on lumber mill circular saws, need more head but are the strongest of silver solders - usually a square rod about 10" long. The silver wire sold by Praxair, here in town, is really nice to use as it flows beautifully into every fluxed area.

Long after we became fairly proficient at Silver Soldering, a low temp silver solder became available and thus we called it low temp silver solder - it is usually around 5% silver content & has no lead in it's matrix -400 to 500 or so degrees - It's 1 mil bond is stronger than lead solder.

There is lead soldering which usually is a lead/tin amalgamation, 50/50 to 70/30 - 450 to 550 degrees?

Seems to me that High Force or Force 44 are low temp silver solders, with 5% silver content?

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Subject	Posted by	Posted on
Why solder?	meharold	11/07/14 10:47 AM
Re: Why solder?	DarylS	11/07/14 10:56 AM
Re: Why solder?	meharold	12/07/14 12:19 PM
Re: Why solder?	Birdhunter50	20/07/14 04:06 AM
Re: Why solder?	Waidmannsheil	20/07/14 09:40 AM
Re: Why solder?	Birdhunter50	04/11/14 12:40 AM
Re: Why solder?	DarylS	04/11/14 03:16 AM
Re: Why solder?	Waidmannsheil	04/11/14 08:46 AM
Re: Why solder?	AkMike	04/11/14 03:33 PM
Re: Why solder?	dpcd67	05/11/14 06:48 AM
Re: Why solder?	DarylS	05/11/14 10:52 AM
Re: Why solder?	Birdhunter50	06/11/14 01:25 AM
Re: Why solder?	Shotgunlover	06/11/14 03:21 AM
Re: Why solder?	tinker	06/11/14 05:07 AM
Re: Why solder?	doubleriflejack	06/11/14 07:57 AM
Re: Why solder?	DarylS	06/11/14 09:30 AM
Re: Why solder?	dpcd67	08/11/14 04:06 AM
Re: Why solder?	TennHillBilly	08/11/14 11:37 AM
Re: Why solder?	Shotgunlover	08/11/14 10:39 PM
Re: Why solder?	dpcd67	09/11/14 06:02 AM
Re: Why solder?	TennHillBilly	22/07/14 02:21 AM
Re: Why solder?	dpcd67	03/11/14 06:08 AM

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