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A lesson learned.

  • wireman
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13 Mar 2006 21:42 #30891 by wireman
Replied by wireman on topic A lesson learned.
what are you guys soldering that you use acid on?;)

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  • twowheeledterror
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13 Mar 2006 22:13 #30899 by twowheeledterror
Replied by twowheeledterror on topic A lesson learned.
wireman wrote:

what are you guys soldering that you use acid on?;)


Galvanized sheet. 26/28 ga.

You clean it with hydrocloric before you tack and run a solder line onto it like a lap weld. :)

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  • Duck
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  • e vica na i sau na ga
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14 Mar 2006 02:56 #30932 by Duck
Replied by Duck on topic A lesson learned.
What solder alloy are you using on galvanized?
I've been doing electronics Sn63Pb37(eutectic) for over 40 years but haven't done any galvanized since middle school shop class and don't remember what we used.

-Duck

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  • twowheeledterror
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14 Mar 2006 06:03 #30959 by twowheeledterror
Replied by twowheeledterror on topic A lesson learned.
Duck wrote:

What solder alloy are you using on galvanized?
I've been doing electronics Sn63Pb37(eutectic) for over 40 years but haven't done any galvanized since middle school shop class and don't remember what we used.

-Duck


It's HVAC, so usually just standard 50/50 lead/tin solder. I don't know a whole ton about it cause I don't do a lot of it. In fact, I try to do as little as possible cause I despose working with thin crap like that. It's not nearly as good a time as working with thick plate! :)

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  • wireman
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14 Mar 2006 07:20 #30980 by wireman
Replied by wireman on topic A lesson learned.
i dont remember seeing any soldered ductwork in years .everything is done with pittsbourghs,s's,and drives.working with 26 and 28 ga aint that bad .you can actually cut it with tin snips and work it with simple hand tools and its good for making patterns for heavier projects.:whistle:

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  • twowheeledterror
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14 Mar 2006 07:24 #30983 by twowheeledterror
Replied by twowheeledterror on topic A lesson learned.
wireman wrote:

i dont remember seeing any soldered ductwork in years .everything is done with pittsbourghs,s's,and drives.working with 26 and 28 ga aint that bad .you can actually cut it with tin snips and work it with simple hand tools and its good for making patterns for heavier projects.:whistle:


It's generally used for sealing in seams. :thumbup:

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  • wireman
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14 Mar 2006 07:50 #30996 by wireman
Replied by wireman on topic A lesson learned.
if you put ductwork together right theres no need for it ,spotwelded joints get a little duct seal brushed on if you dont put them together right.flexable joints might get a little clear silicone to allow for flex.but thats about it for sealing.:whistle:

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  • twowheeledterror
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14 Mar 2006 08:00 #30998 by twowheeledterror
Replied by twowheeledterror on topic A lesson learned.
wireman wrote:

if you put ductwork together right theres no need for it ,spotwelded joints get a little duct seal brushed on if you dont put them together right.flexable joints might get a little clear silicone to allow for flex.but thats about it for sealing.:whistle:


Spotwelds aren't gonna seal against leakage, now are they?

There's time when you would use a Solder along a seam to make it tight enough that it won't leak.

Here's the tool you use.



The point is heated and then flux is added to it before you apply a 50/50 solder (or whatever tin content you require) to a seam or joint with it.

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  • wireman
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14 Mar 2006 08:06 #31001 by wireman
Replied by wireman on topic A lesson learned.
wireman said

Post edited by: steell, at: 2006/03/14 16:58

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  • twowheeledterror
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14 Mar 2006 08:09 #31002 by twowheeledterror
Replied by twowheeledterror on topic A lesson learned.
And then twowheeledterror said

Post edited by: steell, at: 2006/03/14 16:59

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  • twowheeledterror
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14 Mar 2006 08:22 #31004 by twowheeledterror
Replied by twowheeledterror on topic A lesson learned.
But twowheeledterror wasn't done yet, so he said some more

Post edited by: steell, at: 2006/03/14 17:00

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  • wireman
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14 Mar 2006 08:37 #31008 by wireman
Replied by wireman on topic A lesson learned.
And wireman replied

Post edited by: steell, at: 2006/03/14 17:01

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