mig and flux core tips and techniques, equipment, filler metal
Acid etch
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Rem40xb1
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    Tue Dec 26, 2023 6:30 am

I see that Nital is used by many people to check welding penetration--In my area Nital is hard to get or find--I found that phosphoric acid works very well and is available at amazon cheap
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Rem40xb1
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    Tue Dec 26, 2023 6:30 am

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