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Re: silver soldering question

Author: clarnibass
Date: 2018-08-28 10:25

I looked at my silver solder/braze materials and need to correct something. They can get to as much as close to 80% silver and some people might even be using almost pure silver as solder/braze. 650 was the lower temp of silver braze. Some types get as high as 750 or even more.

Re the Yamaha, whether there will be a problem with the plating from silver brazing, that really depends and I wouldn't worry about it. Regardless of model, you can always use the lowest temp silver solder (around 650C) which is more than strong enough anyway.

Double plating is often standard on many instruments (not necessarily double of the same plating). It doesn't matter to soldering if they put an extra layer of the same material.

What does "special patented silver" even mean? Is that their words (in an advertisement I assume)? I imagine it's probably a slightly different alloy.

Silver brazing is almost always done to repair a broken part. Whether a random place, or a brazed joint that got detached, the areas being brazed aren't plated (since the plating is done after brazing at the factories), so no worries about the solder/braze sticking to plating (which isn't really a problem either).

Selmer having harder keys than Buffet is not true IME in general.

By the way AFAIK some years ago Yamaha switched to using silver/tin soft solder instead of lead solder for all their soft soldering. I don't know about other companies.

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