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/sci/ - Science & Math

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>> No.10267772 [View]
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10267772

>>10267756
MIG welding would work in a CO2 atmosphere, they used to run MIG under 100% CO2
now they do 70/30 mix of Ar/CO2
things you do not want near your weld: nitrogen (I don't know why), Hydrogen (including water) (hydrogen embrittlement is bad news)
>>10267765
awwww hell yeah

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