go to my on-line retailer right here https://weldmongerstore.com/ That is half 2 of STainless metal welding suggestions the place we discuss some pulse tig settings and in addition purging chrome steel with argon gasoline. Generally utilizing copper or aluminum backing gives sufficient safety from oxidation on the penetration aspect. Different instances a excessive purity argon purge is required.
I used aluminum backing for many of this mission however for welding the top caps, it made sense to make use of an argon purge.
I used the CK worldwide mt200 ac/dc tig welder utilizing each straight DC present and pulse tig settings. The heartbeat tig labored extraordinarily effectively on the threaded nipple fillet welds.
When purging with argon, it helps to consider argon as water.
There might be areas that entice oxygen if not vented strategically.
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