On thick to thin you really have to point your torch more towards the thicker piece. A pre heat on the 3/16 to around 200F would help as well. I was welding 1.8mm tubing to 10mm flat at around 120amps without blowing through and the key is was he said, hold the torch over the thicker metal most of ...

When I get a new bottle I always put the regulator on before I open it but before I start welding I always check the flow rate and run the gas through the welder for about 10 seconds. I'm assuming I should not use the bad bottle and just empty it. Now that I know I can't prove the gas is bad it will...

I'm new to tig welding and I just started to weld aluminium but I have a contamination issue. I was welding some alloy pipe with no problems until i ran out of gas so I got new gas and ever since then I have a big contamination problem. I bought another bottle and with this new bottle it welds fine ...