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Author Topic: Filling a casting void using brass colored solder  (Read 894 times)

Offline KShatwell

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Filling a casting void using brass colored solder
« on: March 25, 2024, 10:31:53 PM »
I have a casting of a coffin lid Patchbox with a fairly deep void on the top edge of the lid . It is too deep to file out so my thought was brass colored solder.  Has anyone used this successfully and if so how was the color match?
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Offline Mike Brooks

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Re: Filling a casting void using brass colored solder
« Reply #1 on: March 26, 2024, 06:09:51 AM »
I've seen old pieces with voids filled with just plain solder and you can also solder in brass patches.  It all works.
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Offline Frozen Run

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Re: Filling a casting void using brass colored solder
« Reply #2 on: March 26, 2024, 06:53:24 AM »
Quote from: Mike Brooks on March 26, 2024, 06:09:51 AM
I've seen old pieces with voids filled with just plain solder

Do you need to clean up and prep the area, similar to how a dentist drills out a cavity, prior to filling with solder? Or do you heat up the part and let the solder flow into the rough void? Thank you.
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Offline Mike Brooks

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Re: Filling a casting void using brass colored solder
« Reply #3 on: March 26, 2024, 12:35:44 PM »
Clean it up and Flux it first.
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Say, any of you boys smithies? Or, if not smithies per se, were you otherwise trained in the metallurgic arts before straitened circumstances forced you into a life of aimless wanderin'?

Offline davec2

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Re: Filling a casting void using brass colored solder
« Reply #4 on: March 29, 2024, 04:26:16 AM »
This old post of mine might be a help....as Mike says, clean and flux the $#*! out of the void before you use any solder....

https://americanlongrifles.org/forum/index.php?topic=24222.msg232336#msg232336
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