50/50 bars

glassparman

"OK, OK, I'm going as fast as I don't want to go!"
Ok so I found three bars of 50/50 for auto body work. I understand the 50% tin, 50% lead thing.

School me on where you guys usually introduce this into your melt.

Half a bar to a pot of pure lead? 1/4 bar? Don't ask me to do the math, my head already hurts! LOL

Just looking for the group to chime in.

I have mostly recycled cast bullets, some COWW, and some Linotype.

Actually, do you guys have a melt chart on the site somewhere here that I can reference?

Mike
 

fiver

Well-Known Member
auto body solder never come in 50-50 bars.
the highest they ever had was 30% and most were in the 10% area.
high tin content alloys were only suitable for flat areas and the more vertical ones used less and less tin content so it wouldn't flow as fast and just fall on the floor.

anyway alloys are just percentages of 100 lbs.
if you put 1 lb of tin in with 99 lbs of ww alloy you now have 1%.
lead tin alloys are different 20-1 is actually 20 lbs of lead and 1 pound of tin [21 lbs. total]

just as a heads up.
a LEE 20lb. pot doesn't hold 20 lbs. it's more like 18 to the rim.
this kinda screws up the perfect easy math but not enough that close enough isn't good enough.
you could just mark a bar in 5 or 10 pieces then melt to the line as the pot goes down.
[save your sprues for a recycle if you do this, they already got the tin in them]
or you could melt about 100 lbs. of alloy in your smelting pot and toss a bar in, either way works.
 

Winelover

North Central Arkansas
Can do the math but prefer to eyeball it, just like a good cook does, adding ingredients. No more than in inch or two in a pot full of alloy, only after I cast some prior to and didn't like the fill out.

Use to pick up solder (95-5) drippings off the floor, after I soldered copper for GM. Melted them down and used a tablespoon as a mould. Would add one tablespoon to my mystery metal, as needed.
 

L Ross

Well-Known Member
Ok so I found three bars of 50/50 for auto body work. I understand the 50% tin, 50% lead thing.

School me on where you guys usually introduce this into your melt.

Half a bar to a pot of pure lead? 1/4 bar? Don't ask me to do the math, my head already hurts! LOL

Just looking for the group to chime in.

I have mostly recycled cast bullets, some COWW, and some Linotype.

Actually, do you guys have a melt chart on the site somewhere here that I can reference?

Mike
Atta boy, keep scrounging. It's not too late.
 

fiver

Well-Known Member
yeah for filling solder joints, that's why they come in 14" long bars.
later on they were used in in some soldering machine type applications for electronics, but got surpassed by bars of 63-36....1 because of the lower melt point and faster flow of the tin.
 

glassparman

"OK, OK, I'm going as fast as I don't want to go!"
"Atta boy, keep scrounging. It's not too late."

Yeah, hit my local gun shop yesterday on my way home here in Lancaster, Kommiefornia. They had a huge stack of ingots labeled "Lead, $2". They were square ingots so no telling what mold they used, weighed in at 2 pounds each.

I knew wifey would be mad if I bought them all so I bought 16 of them at two bucks each. A buck a pound wasn't too bad if you been looking on fleabay.

As for the 50/50 bars, I found them in my rollaway. Not sure where I got them but they jumped out and bit me when I was looking for something else. I just thought those long skinny bars were for the old school body work. They do in fact say 50/50 molded into the top.

Sorry, I'm new to all this . . . I have the Lee bottom pour 10# pot.

Mike
 
Last edited:

popper

Well-Known Member
50/50 used for PCB cu plating. Tin needed to flow into thu holes. Wave solder was 60/40 or less tin.
 
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glassparman

"OK, OK, I'm going as fast as I don't want to go!"
Interesting. My first job before I went in the Army was working a quad drilling machine. I sat there all day drilling holes in stacks of circuit boards before they were plated through. I don't ever remember seeing the solder bars but I was stuck in the front shop area. That was in 1979
 

L Ross

Well-Known Member
"Atta boy, keep scrounging. It's not too late."

Yeah, hit my local gun shop yesterday on my way home here in Lancaster, Kommiefornia. They had a huge stack of ingots labeled "Lead, $2". They were square ingots so no telling what mold they used, weighed in at 2 pounds each.

I knew wifey would be mad if I bought them all so I bought 16 of them at two bucks each. A buck a pound wasn't too bad if you been looking on fleabay.

As for the 50/50 bars, I found them in my rollaway. Not sure where I got them but they jumped out and bit me when I was looking for something else. I just thought those long skinny bars were for the old school body work. They do in fact say 50/50 molded into the top.

Sorry, I'm new to all this . . . I have the Lee bottom pour 10# pot.

Mike
You bet a buck a pound isn't bad in ingot form. Now quick melt one up and see if it'll cast a bullet. Just to make sure it doesn't have zinc in it. Empty out the change jar and go pick up the rest if it's good. Especially where you live.

And just keep asking about lead or solder whenever you can work it into a conversation where it makes sense. Net weights, fishing sinkers, duck decoy anchors, fishing lead head jigs, renovation work at hospitals, chiropractic offices, veterinary clinics, old dental offices, (where ever there might be x-ray machines), roof flashing, shower pans, lead plumbing joints, lead water pipe, sail boat keels, counter weights. Every so often someone will ask me, "You still lookin' for lead?" My answer is always, Yeah, why?" Back in Green Bay my dentist had boxes of old dental x-ray tabs they had shoved in a closet because they didn't want to pay to dispose of them. Duke to the rescue. A stained glass window restoration business had those big 55 gallon paper drums full of the cames from a big Catholic church. The windows were from Innsbruck made in 1893. Once again, happy to help with disposal.

A kid that I had over to help set targets at a silhouette match told his Dad I made bullets. He stopped over and dropped off 300# stuck to drywall from a clinic rehab. Said it was too bad, if he'd have known earlier I could have had a ton. Ice fishing with a guy one day. Told him I made my own jigs. He says, "Want some lead?" 400# of bent up lead tubing or something from where he worked, free. I cut it in 5" pieces with my log splitter.

Lead and solder is still out there, we just need to sniff a little harder, dig a little deeper and it turns up.
 

glassparman

"OK, OK, I'm going as fast as I don't want to go!"
Thanks Ross! I can afford to go buy the stuff but you know, gotta keep Momma happy as she already thinks I spend too much on this stuff!

I have even been picking up all the damaged 22 rf rounds I find in the canyon when picking up brass near my home. Most are perfect for shooting but I have a huge jar full of damage rounds. I'm gonna pull them all down for the lead projo's soon. PURE LEAD???? I'm assuming.

Mike
 

glassparman

"OK, OK, I'm going as fast as I don't want to go!"
Awesome. Still worth setting there watching Netflix and pulling them all down to get the lead.
 

CZ93X62

Official forum enigma
Everyone involved in casting was "new at it" when they started. You are doing fine. I had the great good fortune to have a couple mentors when it came to reloading and casting, but not everyone has that resource. This site will not steer you wrong. Various members may have different approaches or methods to addressing a problem or question, so use the method(s) that make sense or adapt best to your tools and skill set.
 

fiver

Well-Known Member
I've heard 22 lead is some antimony, and some tin.
I believe they have antimony because it's easier on the machines, but the 500 lbs. I have melted down kinda say Tin.
either way I throw some in at about 3-1 to my ww's and it casts some nice shiny bullets.