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I am just writing to remind anyone and everyone who does not already know, that Zinc plated or Galvanized steels should never be used in blacksmithing. The Brake rotor forge I had recently build used a galvanized pipe flange. I knew about the perils of heating zinc long before building my forge, but I convinced myself that the pipe fitting wouldn't get hot enough to vaporize (1665 F). I was obviously quite wrong. This past weekend I was out using the forge and as soon as I came back in the house my throat felt awful and raspy. The next day I had a few flu like symptoms that seemed similar to the Infamous "Metal fume Fever". Thank God, by Sunday morning I was feeling fine and my illness had past. I have a good reason to believe that my brief ailment was caused by zinc fumes and was not just coincidental. The Bottom Line is beware of Zinc coated steel when blacksmithing and never use them in forge construction unless you are 100% sure that they will not get too hot!
Hi All, New here and I could not find the proper thread as I am sure it has been fully discussed. So I do apologise for bringing this up... Again I am in the process of building my own forge (never hammered on steel before). I have a 2" pipe that is Galv. That I want to use for my burner intake (hardware store only had up to 1 1/4" in black steel. I have placed the pipe in vinegar for 48hrs so far. Over the first 24hrs there were lots of recations and you could see the zinc being stripped. Now though, there is no more reactions and no more foam on the top. I am assuming the pipe has been stripped but it still looks like it might have Galv. Still on it??? How do you know for sure? I have attached some images. The last is the pipe post vinegar 48hrs and scrubbed with a SS wire brush.
I'm starting with blacksmithing , so i went to a junk yard and i bought a giant screw, so i was trying to do something, but when i put it on fire, it became somewhat green and it's fire was green. There is a chance that it has zinc, or something like that? And it's dangerous? Sorry about my english, i'm brazilian.
So here is the deal I am building my first break drum forge and I have basically everything I need. I just need to know what type of washers, bolts and nuts are safe to use to bolt the drum to the flange on the pipe. Now I understand galvanized is a big no-no, but according to anvilfire's safety section on fumes you shouldn't be messing with stainless steel either. On another thread in this form I read to use stainless steel. the link to that particular thread I mentioned is below. Sorry if this is a re-post I searched the forum and did not find a suitable answer. I have picked up "black steel pipe" not black iron pipe to use and just wanted to know if that was safe as well.