Micro TIG welders

[Blender]

Originally Posted by ddmckee54

I was just doing some poking around to find some appropriate welding coupons. About all I can find in sheet metal are 20ga coupons which are about 0.036", close enough to 0.9mm. What are y'all using for steel?

Don

18-22 GA 1008 cold rolled as first choice or A36 pickled and oiled.


I should have some scrap suitable for cutting a weld to see penetration. Try and get some results over the weekend.