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Ted Mooney, P.E. RET
Pine Beach, NJ

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Does tumbling with alumina create issues for later welding of 304 stainless steel parts?

Hi, I vaguely recall hearing something about this a while ago, and wanted to know if there is any substance to it. I wasn't able to come up with anything from a quick Google search. We have thinwall (.060) parts that need to be tumble deburred after machining so the parts fit properly when our pumps are welded together. Thanks for any assistance. Oh yes, we are using the GTAW welding process.

Mark Miller
engineer - Billerica, Massachusetts, USA
April 29, 2010

It has always been recommended that silicon carbide media instead of alum oxide abrasive in the media shape be used for parts that will later be welded.

AF Kenton
retired business owner - Hatboro, Pennsylvania
May 9, 2010

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