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Copper coating on mig wire

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发表于 2021-8-31 23:30:11 | 显示全部楼层 |阅读模式
I am trying to build some tanks to do some bluing on a gun. In order for this process to work correctly there can be absolutly no copper in the chemical solution. Is any of the copper on the welding wire going to remain after it is welded or is it pretty much burned up by the welding? I am also trying to figure out how to make a long propane burner to run the length of the tanks. If any of you guys can help me I'll greatly appreciate it. Thanks.
Reply:Hey allen,I'm a retired Master Gunsmith & waaaaay back in the day, I blued thousands of guns & parts. My tanks were 48"L X 8"W X 6"H & I made my burner with a piece of 1.75" black pipe w/air dampener on the inlet gas feed to set the flame & capped on the opposite end. It was held in place with a 1" steel strap tacked to the bluing tank frame. The pipe was 45"L with #31 drill holes set at 11 o'clock & 1 o'clock looking at the end of the pipe. I used natural gas. You can MIG weld as the copper wash on welding wire is totally consumed within the arc. I used my tanks from 1972-1995 without any issues.....made me nice $$$ back then. Here's a link to Brownells & I did all my business with them for my supplies.Dennyhttp://www.brownells.com/.aspx/pid=1...t/PIPE_BURNERSComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
Reply:for the burner.  Someone on this site made a burner for a smoker. pipe cut half way with a sawall.I can't find it. maybe someone can recall more details.  I look like a pretty slick dealDayePound to fit, paint to match
Reply:I always used stainless tanks from the restaurant supply store to do my rust bluing.Miller Syncrowave 350Millermatic 252/ 30A spoolgunMiller Bobcat 225g w/ 3545 spoolgunLincoln PowerArc4000Lincoln 175 Mig  Lincoln 135 Mig Everlast 250EX TigCentury ac/dc 230 amp stickVictor O/AHypertherm 1000 plasma
Reply:Thanks for all the replies. It has been a lot of help.
Reply:Originally Posted by tigmuskyfor the burner.  Someone on this site made a burner for a smoker. pipe cut half way with a sawall.
Reply:Yorkiepap could you tell me what kind of air dampener you had on your burner and if I can find it at the local hardware store
Reply:Originally Posted by metalmagpieThis one?http://www.hobartwelders.com/weldtal...ad.php?t=28224
Reply:Hey allen,Wow....that was many moons ago. A friend who did furnace work got it for me when I showed him the pipe burner & made & he knew exactly what I needed. Your best bet would be to go to a furnace shop as I did & tell them what you need. They're a really simple unit.DennyComplete Welding/Machine/Fab. ShopMobile UnitFinally retired*Moderator*"A man's word is his honor...without honor there is nothing.""Words are like bullets.... Once they leave your muzzle, you cannot get them back."
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