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 soldering a broken key
Author: steve1221 
Date:   2019-05-29 02:41

Does anyone know the type of solder I should use to fill in a crack on the bridge key arm for my oboe. It is not broken off but it will break so I want to solder it back together so it does not have a crack in it. I know it is silver solder but what % of silver should it be ?

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 Re: soldering a broken key
Author: Chris P 
Date:   2019-05-29 20:25

Silver solder wire with around 45% to 50% silver should be fine (used with the appropriate flux).

Former oboe finisher
Howarth of London
1998 - 2010

The opinions I express are my own.

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 Re: soldering a broken key
Author: steve1221 
Date:   2019-05-29 20:30

OK - sounds like what I have been researching - what kind of flux is good - any thoughts ?

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 Re: soldering a broken key
Author: Chris P 
Date:   2019-05-30 01:43

Easy-flo flux is a good all-round one for silver soldering.

I use it with both Easy-flo solder and also G6 silver solder which is a much higher temperature silver solder which is ideal for soldering pad cups to cup arms (before soldering them to key barrels or key rods), adjusting screw pips, right-angle bends, touchpieces to touchpiece arms and other parts that you don't want to fall off when soldering other parts on afterwards or in close proximity.

Former oboe finisher
Howarth of London
1998 - 2010

The opinions I express are my own.

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 Re: soldering a broken key
Author: steve1221 
Date:   2019-05-31 07:48

thanks performed the operation and all went well

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