Help! > Hints, Tips & Tricks
(Silver) soldering
Kenny:
Only silver stuff I have found is marked L-Ag 45 Sn, 1.5 mm and flux coated. I'm thinking that 1.5 mm might be a bit thick for small part work?
There there's also square 2x2 mm rods named phosphor copper L-AG 2% and basically looks like copper. These are not coated. Cost a lot less than the coated silver. 2x2 mm is for sure huge for our type of work.
crueby:
Great list of tips! :ThumbsUp:
For pickle, two other options are either Sparex2, available from jewelry tool suppliers, or just kitchen type 5% white vinegar. Niether are as dangerous as the stronger acids, they just take longer to work. The vinegar is sliw but available at the grocery store, and can be flushed down the drain when its spent. I have some plastic screw lid jugs I keep my pickle solutions in, to keep them from evaporating when not in use.
crueby:
--- Quote from: Kenny on June 23, 2025, 06:43:27 PM ---Only silver stuff I have found is marked L-Ag 45 Sn, 1.5 mm and flux coated. I'm thinking that 1.5 mm might be a bit thick for small part work?
There there's also square 2x2 mm rods named phosphor copper L-AG 2% and basically looks like copper. These are not coated. Cost a lot less than the coated silver. 2x2 mm is for sure huge for our type of work.
--- End quote ---
What part of the world are you in? Jewelry tool supply houses carry the wire solder and fluxes. I have even gotten some off Amazon. For flux, the Harris Black or Harris White are good, as is the Tenacity 5 flux. Depends on the country what brands you can find. For solder, the Easy, Extra Easy, and Medium grades are great, the easier the lower the temps needed and the easier they flow.
AVTUR:
Kenny
Have a look at CuP Alloy website, https://cupalloys.co.uk. It is a mine of useful information. They can supply everything you need. I am sure they will export to Finland. Their cleaning salts, pickling acid, is citric acid probably with a biocide.
I find silver soldering immensely satisifying. However I do it out of doors since a propane torch gives out an awful lot of heat. This means soldering is dependent on the weather, windless days. Start with brass, copper or bronze. Steel, particularly stainless, is a little bit more difficult.
I could go on but have fun.
AVTUR
Kenny:
--- Quote from: AVTUR on June 23, 2025, 08:01:38 PM ---Have a look at CuP Alloy website, https://cupalloys.co.uk. It is a mine of useful information. They can supply everything you need. I am sure they will export to Finland. Their cleaning salts, pickling acid, is citric acid probably with a biocide.
--- End quote ---
Wow, awesome! Thanks for the link AVTUR! Looks like they do ship to Finland and even with exchange rate and customs fees it still looks like it should be a better deal than buying what I can find here. Plus they have a real selection of stuff. Will have to explore it more but it looks like this will be the source when it comes to silver soldering :)
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