Larryoracing (Offline)
#2
1/7/11 5:16 AM
Thanks for the post.
I will have to admit, I have never thought about using cleaners when welding metal. If I had to clean metal I would use alcohol. But maybe there is some problems there. I was taught 30 years ago, there was only one danger when welding metal and that was welding galvanized pipe. We were told to grind off the gavalnized material then weld.
Thanks again,
Larry Otani
Onlydirt (Offline)
#4
1/7/11 12:49 PM
Must be why I spent so much time with a wire wheel grinder when was younger.
spade (Offline)
#5
1/7/11 4:21 PM
Phosgene gas in high enough concentration is like instant pneumonia which are the fumes given off when welding galvanize. We all know pneumonia can be fatal so it's a good idea to read the labels and use personal protection when using any chemical. I don't know all the facts or concentration levels but we were taught a lot of this in Military welding school.
"Let's be careful out there"
racephoto1 (Offline)
#6
1/7/11 9:14 PM
Study a little history and you'll see that phosgene was used as a weapon in WW1, and a really effective one at that.
I Miss Manzy (Offline)
#7
1/7/11 10:01 PM
Phosgene gas is also created when refrigerant (R-12,R-134a etc.)burns,so be very careful when using a torch around any auto A/C components!