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ive been a boilermaker/welder down in tassie since 1991,the welding units that i have used most of are made by cig,boc and wia,not sure if they are available over there.ive got a cig 350ec(3phase)at home.
the gas flow on a mig or tig is measured in litres per minute(lpm)not psi,psi tells you what is in the bottle not the flow.usually run about 12-15lpm.ive found an argon/co2 mix works best for me on steel,we use straight argon for welding aluminium.
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