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  #11  
Old 09-29-2010, 05:33 PM
John Buchtenkirch John Buchtenkirch is offline
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Originally Posted by Marty Comstock View Post
John, I have been gas welding with SIB as long as I have been doing it with no major issues.

Marty
Thanks Marty. Any special technique or tricks or flux I should be needing to know about ? I’d like to give it a try next time I’m using a torch just to see if my problem was real or if I was possibly having another senior moment . ~ John Buchtenkirch
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  #12  
Old 09-29-2010, 06:53 PM
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Marty Comstock Marty Comstock is offline
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John, I have only used flux when using it on cast iron, both the cast flux and brazing flux worked. other than that, its fluxless. easier to not melt the steel with a torch too, if thats the goal at hand.

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  #13  
Old 09-29-2010, 10:51 PM
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slobitz slobitz is offline
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Default copsiloy

Folks,
Many years ago i got a lot of different type rods out of a welding shop in a plant where I bought my large southbend lathe and my Bridgeport mill. In the mix were rods that had copsiloy stamped in the rods. I used them to close up some holes in an old sprint car frame. It flowed into 3/8 holes and has held up great for many years. Do any of you people know anything about these rods or have ever heard of them?
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  #14  
Old 09-30-2010, 08:41 AM
bobadame bobadame is offline
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I used it to weld the body panels to the frame structure on my Dwarf Car. I crashed around a lot in that thing and I don't recall any of the joints popping loose. The body is 24 gage aluminized steel. Frame is 1/8" wall steel tube.
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  #15  
Old 09-30-2010, 03:05 PM
bbuford bbuford is offline
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We are using a mig welder and the silicon bronze wire to weld in door surrounds and section frame rails that are on newer cars. Many 08 and newer autos use Boron steel to lighten the structure yet make it stiffer. Welding with steel mig wire makes the weld area brittle and subject to stress cracking.
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  #16  
Old 09-30-2010, 08:18 PM
CARS CARS is offline
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We are using a mig welder and the silicon bronze wire to weld in door surrounds and section frame rails that are on newer cars. Many 08 and newer autos use Boron steel to lighten the structure yet make it stiffer. Welding with steel mig wire makes the weld area brittle and subject to stress cracking.
If you would, please elaborate on this technique on a new thread. Don't be shy, we don't bite. btw: WELCOME to MM!!!

Reason why I ask is that I haven't been to collision training for about 7 years. When I went to my last ICAR classes, we were told not to touch a modern HSS frame. Just replace them. Maybe today's uni-structures are totally different than the truck's hydro-formed frames we were learning at the time.
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  #17  
Old 09-30-2010, 09:42 PM
ShawnMarsh ShawnMarsh is offline
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If you would, please elaborate on this technique on a new thread. Don't be shy, we don't bite. btw: WELCOME to MM!!!

Reason why I ask is that I haven't been to collision training for about 7 years. When I went to my last ICAR classes, we were told not to touch a modern HSS frame. Just replace them. Maybe today's uni-structures are totally different than the truck's hydro-formed frames we were learning at the time.
You're right, sectioning rails is a big no-no unless the manufacturer specifies it is OK.
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