I am new to welding trying to get the hang of tig welding thinner steel am using the Dynasty 200 dx have tried amperages from 10 to 50amps DC using 20 cfh argon tried 3/32tungsten and 1/16 tungsten I scuff sanded metal quickly and used brake cleaner before welding, my problem is before i can get a puddle going almost as soon as the torch hits the metal the edges of the metal roll back and a hole forms the heat affected zone is also spread out and not concentrated I also get intermittent bright flaring of the arc even with new unused tungsten the joint type is a butt weld the gap between the two about the thickness of two sheets of paper. the metal is mild steel 22 guage of the shelf from the hardware store any help would be appreciated Thank You