Wednesday, December 29, 2010

[MW:8989] E -7018 (TAPPER BURNING)

Can anybody write some technical reasons behind tapper burning of subject electrodes with high fluctuations of current and wastage of excessive stub length because of red hot (@ 30%)?
 
Also with above, what could be the possible defects in the weld joints?
 
Regds/Jignesh

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