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welding 310SS with 316SS fluxcore

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haiger

Mechanical
Oct 31, 2003
1
CA
my shop has accidentally welded a 310SS furnace door plug with 316SS fluxcore. the furnace does not go above 1400F. what problems could I expect.
 
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You should have no problems with the weld metal at your temperature.
 
Hi
Doing a quick dilution calculation with assumed parent and consumable chemistry the resulting weld material will have approximately 5% ferrite. At 760deg C (1400 deg F) you may form some sigma which will reduce the notch toughness at ambient. Given your description since this “plug” is acting as a “plug” things should be ok.
 
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