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Argon vs Argon CO2 flowmeter? | WeldingWeb - Welding Community for pros . . . Argon has a molecular weight of 40 while CO2 has 44 The molecular weight is directly related to the density of the gas So 75% Argon and 25% CO2 mix has an average molecular weight of 41 That means that compared to pure argon, 75 25 mix is 2 5% more dense So about 2 5% is how much the flow meter will be off So no difference in real life What I don't know is if the flowmeter will show too
S s Purge. Argon Vs. Nitrogen - weldingweb. com So I Am Wondering What The Difference Is Between Purging With Nitrogen Rather Than Argon I Will Be Welding A 4 Inch S s Line That Is About 500 Ft Long And There Is 3 Position Welds To Do The Stainless Line Is A Nitrogen Line And Is Tied Into An Existing Nitrogen Line So Why Couldnt I Crack
Can you mig steel with 100% argon? - WeldingWeb You can use 100 percent argon, but you will not be satisfied with the bead you get when welding mild steel Because Argon has a low thermal conductivity, you will end up with a finger-like penetration into the base metal as opposed to the broader even penetration of a 75 25 mix
C25 argon cylinders pros and cons and shelf life question Argon, CO2, C25 etc are all nowhere near as leaky Their valves are tested with helium in the factory, and if doesn't leak that, it won't leak anything else (if your valve is still good, and actually closed tightly) Your biggest shelf like issue will be that a cylinder needs to be retested every 6 (or possibly 10) years
Help IDing shielding gas cylinder - weldingweb. com Of the high pressure tanks that exist in my area, they can be a myriad of colors, the color means very little and a high pressure tank differentiates very little whether it contains argon, various percentages of argon and co2, helium, tri-mixes or a host of other gas combinations or straight gas type compositions
How long will a tank last? - WeldingWeb I recently purchased a 3200HD and would like to purchase a 75 25 tank for it The only two feasible options are a 20lb tank for $106 or a 60lb tank for $182 How long will each tank last? I know a definite number can't be given but I'm looking for a guess-timate Thanks!
Tank Date Codes - WeldingWeb Hello , I just purchased a hobart beta-mig along with 2 tanks 1 argon, 1argon co2 mix , Im in NY and would like to determine the date code they are 300cf tanks based on linde's website the tanks are stamped first tank DOT 3AA 2400 T 749913 LINDE Second tank DOT 3AA 2400 2558 A161