wd40
The problem with WD 40 on welding wire is you may introduce porosity or carbon inclusions in to the weld. Its recommended that you clean a joint to be welded from rust/slag/oils/dirt etc to get a good clean weld. But the dry wipe is recommended. Most higher end machines have one included.
Sean
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1944 Allis Chalmers M7 Snow Tractor
1944 Universal Carrier MKII
M9A1 International Halftrack
M38CDN 1952
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