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I’ve noticed that some welding wire comes packaged in sealed pouches and, since I have wire that’s been on the shelf for over a year, it begs a few questions for me; 1) does exposure to air degrade the integrity of the wire; 2) should I keep my wire in a sealed bag and 3) as only a novice and occasional welder, is there a timeframe for any degradation? Thanks again for any insight.
Reply:It depends on the wire.  What is the AWS classification of your wire?

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Reply:

Originally Posted by Bukeroo

I’ve noticed that some welding wire comes packaged in sealed pouches and, since I have wire that’s been on the shelf for over a year, it begs a few questions for me; 1) does exposure to air degrade the integrity of the wire; 2) should I keep my wire in a sealed bag and 3) as only a novice and occasional welder, is there a timeframe for any degradation? Thanks again for any insight.
Reply:

Originally Posted by Bukeroo

I’ve noticed that some welding wire comes packaged in sealed pouches and, since I have wire that’s been on the shelf for over a year, it begs a few questions for me; 1) does exposure to air degrade the integrity of the wire; 2) should I keep my wire in a sealed bag and 3) as only a novice and occasional welder, is there a timeframe for any degradation? Thanks again for any insight.
Reply:For hobby work, if the wire isn't rusty, you're fine.Check out my bench vise website:  http://mivise.comMiller Syncrowave 250DXMillermatic 350P with XR AlumaProMiller Regency 200 with 22A feeder and Spoolmatic 3Hobart Champion EliteEverlast PowerTig 210EXT
Reply:Thank you all for the answers. Right now I just have fluxcore and regular steel for mig and some aluminum that I tried with argon quite unsuccessful in their boxes.
Reply:

Originally Posted by Oscar

It depends on the wire.  What is the AWS classification of your wire?