what kind of welding wire??

[FatMan1]

i need to weld up some aluminizes exhaust tube. im not sure what kind of wire i need for my mig welder. im pretty sure it's aluminium but the tube is aluminzed and im not sure if that is mixed or all aluminuim...

thank's Fattz

 

[Not Jobless]

I think it just an aluminum coating?

try using some standard ER70...(or whatever else you have) on a piece of scrap. You might want to prep the weld area by grinding sanding it 1st.

 

[Jay W]

Yep, just a coating, similar to what galvanized steel would be like, I think.

 

[FatMan1]

thank's will do i got's plenty of scrap.