Coldman wrote:I hope you are using good ventilation and or filtered air supply to your hood. Who knows how much hexavalent chrome is present in the high percentage filler.

We have overhead fume extractors. I hope that is good enough. Like i said i am new to welding so any advice is much appreciated.

Having another look at your welds, where they are green you can see a slightly larger heat affected zone than the purple areas and the smallest haz where you have the straw colour weld. I don't consider the green HAZ to be excessive but maybe you should aim for the straw beads (we all should) as th...

I can post a pic tomorrow at work. It it ferralium255. Hopfully i spelled it right. I also have a pdf about the wire. I will try and share. Suppossedly my company uses it because they were having a problem with them rotting out. Detergents go inside. So they used this wire and it melts easier i gues...

Thank you for the response. Im very new to welding so i havent encountered anything like this before. I do not do any shielding. I just back with aluminum when welding the inside. The shape wont allow for an easy back purge. Ill post a pic of a finished one for better prospective. I also forgot to m...

Hi guys! So i have been working on this job, it is made from 316l 16ga stainless. It has to be welded inside and out. I personally weld the outside first then the inside. When i am done welding the inside i am getting a green color in the heat discoloration. Is this any cause for concern??? Problem ...