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Silver Soldering Cast Iron

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Stewart Hart26/03/2017 11:39:22
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Hi

As any one tried soldering cast iron and have any hints or tips on how to.

Cheers

Stew

Jim Nic26/03/2017 11:50:48
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Hi Stew

A couple of years ago I needed to silver solder some cast iron cylinders and the timing of the job coincided with my annual visit to the Midland show. While there I spoke to Keith from Cup Alloys about how to go about it and he advised heating the cast iron to red heat to burn off any contamination and allowing the parts to cool before the actual soldering process which could then go ahead as normal. (He also sold me some silver solder foil to sandwich between the parts which worked well.)

Jim

JasonB26/03/2017 13:13:10
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That is how I have done it, heat the parts first then clean with a wire brush to remove carbon. Solder with Tenacity or HT flux

Stewart Hart27/03/2017 06:58:50
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Thanks for the information Jim and Jason I'll give it a go.

Stew

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