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Old 12-21-2018, 10:07 PM
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Default Contamination of weld by grinding?

Is it okay to use a grinding/cutting disk for sizing SS tubing, prior to welding? Concern is that grind bits will contaminate the metal/weld, and produce areas for water leakage.
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Old 12-21-2018, 10:28 PM
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Normal practice.
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Old 12-21-2018, 11:02 PM
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The biggest concern is to use a new wheel and only use it on Stainless only. If you use it in carbon steel, then on stainless, you can embed bits of carbon steel into the Stainless, and then later it will start rusting. Really stinks when you do a nice outside Stainless rail and get called back 6 months later because it is rusting.


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Old 12-21-2018, 11:03 PM
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I would not worry too much about it, myself. Never had that happen to me.
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Old 12-22-2018, 02:18 AM
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Quote:
Originally Posted by milomilo View Post
I would not worry too much about it, myself. Never had that happen to me.
Oh it will happen, Chris, and it always happens on jobs where it really matters, not the ones whrere you don't care. If you're working with SS it's always best to dedicate grinding wheels, sanding discs and wire brushes for that purpose...
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Old 12-22-2018, 08:19 AM
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Originally Posted by LKeithR View Post
it's always best to dedicate grinding wheels, sanding discs and wire brushes for that purpose...
Same goes for aluminum
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