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Old 02-08-2010, 07:42 AM
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Question about "lead free" solders

I'm changing the direction of my inlet on my 48 plymouth radiator...after making the new brass tube and soldering it on I noticed the new lead free solder isn't melting in with the old stuff....Am I doing something wrong? soldering (sweating) all the new brass together ,went very well but when I went to put the new brass to the tank the old lead seams to be running away from the lead free.I couldn't find the old lead solder anywhere.I cleaned and fluxed the heck out of it,I'm thinking of using my panel weld adhesive but that takes a while to cure before running the motor,(24 hrs) ....any suggestions????

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Old 02-08-2010, 08:02 AM
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solders

Different types of solders use different alloys and different percentages of those alloys for different purposes. They melt at different temperatures/ Body solder will go mushy at the working temperature so you can spread it with the wood paddle, Different cored solders use different fluxes. Acid core , rosin core, etc. I was in the hardware store the other day and they had 5 or six different types of solder on the shelf. Lead free was designed to be used for culinary water to prevent lead contamination from the soldered joints in copper-brass pipe and fittings .. Hot water with certain natural contaminates would disolve the lead and it ended up in the drinking and cooking water. The first lead free solders were difficult to use for soldering copper pipe and it was difficult to remove a soldered fitting. They took a lot more heat than the old solder. . The newer stuff workes pretty good for plumbing.

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Old 02-08-2010, 08:26 AM
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moving this to HR Basics
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Old 02-08-2010, 01:51 PM
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The problem I'm having is the lead solder on the tank isn't blending with this new lead free solder the lead free worked great soldering all the new brass together but where it joined with the old it doesnt want to melt together,I guess I'll just have to find the old style lead solder to join the new to the old.They must still make it,I just couldnt find it anywhere. I even tried radio shack for electrical solder,no luck Thanks Ponch I wasn't sure where to put this one...
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Old 02-08-2010, 05:29 PM
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Quote:
Originally Posted by deadbodyman
I'm changing the direction of my inlet on my 48 plymouth radiator...after making the new brass tube and soldering it on I noticed the new lead free solder isn't melting in with the old stuff....Am I doing something wrong? soldering (sweating) all the new brass together ,went very well but when I went to put the new brass to the tank the old lead seams to be running away from the lead free.I couldn't find the old lead solder anywhere.I cleaned and fluxed the heck out of it,I'm thinking of using my panel weld adhesive but that takes a while to cure before running the motor,(24 hrs) ....any suggestions????
When I worked in the radiator business we always used just plain old acid core solder. Unless you are drinking the water there's no sense in using lead free solder.
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Old 02-08-2010, 06:10 PM
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Thats what I was looking for.I tried again and still cant get them to work together,so,I guess I'll try a radiator shop tomorrow.I should have thought of that.Not many copper and brass radiators any more but they should still have the stuff on hand...just in case..Thanks...
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Old 02-08-2010, 06:21 PM
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Quote:
Originally Posted by deadbodyman
Thats what I was looking for.I tried again and still cant get them to work together,so,I guess I'll try a radiator shop tomorrow.I should have thought of that.Not many copper and brass radiators any more but they should still have the stuff on hand...just in case..Thanks...
No problem. BTW, I like your avatar. It reminds me of what my first rabbit looked like.
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Old 02-08-2010, 06:36 PM
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I hope you wern"t using a 22 ruger too.Poor wittle wabbit wood way twenty more pounds wid dat much wed in it....I love that little pistol...Hey, we were talking about lead I wonder how much longer it'll take for them to make lead free ammo?
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Old 02-08-2010, 07:02 PM
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I picked up my Acid core solder at my local welding supply. The last pound I bought was $ 21.50, that was last year, but nothing works better on a radiator.
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Old 02-08-2010, 07:09 PM
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Even better.... my welding supply store is three blocks away and I need one way valves for my torches anyway...
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Old 02-08-2010, 10:49 PM
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Quote:
Originally Posted by deadbodyman
I wonder how much longer it'll take for them to make lead free ammo?
Alas, they are already. Especially shot shells, but also big game rounds made from copper alloy. They're mandatory in CA's "no lead zone" (no kidding!).

There's always been frangible rounds and "less lethal" rounds, that sort of thing. But leave it to CA to do something like create a no lead zone.

I've always thought the way hoplophobes (people who irrationally fear firearms or gun control fanatics) would end up wresting away our guns would be by legislating against/restricting/taxing excessively the ammo, not the guns.

DB- how much solder do you need? I've got a good-sized roll of rosin core lead solder (70/30 IIRC) here somewhere.
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Old 02-09-2010, 05:40 AM
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It figures Cali would be first in line, Dont they have enough to worry about.like ruining one of the most fertile valleys in the world and all the infrastructure and jobs that go with it because of some little fish you cant even eat.I hate to give them any ideas but how about a law for Lead free sinkers for fishing?*** does Arnold know about running a state as big as some countries, hes an actor and not a very good one at that.At least Regan could make a great speech and that congress women ????is she living in some kind of dream world ,how much damage will they be allowed to do before the voters get rid of them?......Along with extra taxes ,Let the insurance companies get involved in our self defense issues too.....handguns will require insurance, so only the rich can legally own one.that way they don't have to outlaw them but still only the crooks can have one and they wont have to worry about open season on them..Thanks for the offer Cobalt but I'm going to get a big roll and some other stuff I've been needing from the welding supply shop ,as soon as everything opens up.Then I'll go to the range and fire off another 300 rounds and thank God I live in Ga.where my drinking water is the last of my worries,(I don't drink HOT water anyways) and I can carry this baby and not worry about someone stealing what I worked so hard for (even grandma carries,still works too)....Hey that sounds like a politician....Self centered, Lazy,nonworking, entitled,Always going after the ez targets.......Thieves....no wonder they don't want us to have guns.......Well,we're finally having some decent weather here and I've rambled long enough ,time to get my day started....Thanks for the ideas guys....
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Old 02-09-2010, 07:24 AM
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Yea , just wait till they come out with political correct Ammo, it apologizes to the person before killing them.
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Old 02-09-2010, 08:00 AM
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amo restrictions

A lot of Amo is in short supply in the rocky mt states. The Military used to sell spent brass to amo companies so it could be reloaded. Now they sell it to china for less per pound that US reloaders paid.
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