Soldering 304 grade stainless steel

Soldering 304 grade stainless steel

This topic has 3 replies, 3 voices, and was last updated 19 October 2020 at 09:56 by Keith Hale.

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18 October 2020 at 20:27 #502069
Andy Brocklehurst
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@andybrocklehurst85292
Hope I’ve posted this in the right place but has anyone had much experience in soldering 304 ss? If so what’s the best flux and solder to use.

Ive been told 304 is difficult to solder.

Thanks
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18 October 2020 at 20:27 #30072
Andy Brocklehurst
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@andybrocklehurst85292
18 October 2020 at 21:02 #502074
Peter Krogh
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@peterkrogh76576
95% tin, 5% silver melts at 430 F. and was designed for 3xx food grade soldering. It's very much stronger than tin/lead solder and doesn't fatigue fail. It also works perfectly for soldering copper, brass, steel, bronze, etc.

Very easy to use, wets out very nicely, and doesn't oxidize.

The flux is an acid liquid.

Both should be available at any welding supply store.

DO NOT confuse this with the tin/zinc solders sold for copper 'lead free' joins. Tin/zinc is a horrible solder!

Edited By Peter Krogh on 18/10/2020 21:03:50
19 October 2020 at 09:56 #502115
Keith Hale
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@keithhale68713
Hi Andy,

See personal message

Keith
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