Process FCAW, Wire E81T1-B2/Dia 1.2mm, shielding 85%Ar+15%Co2. Flow rate 20lpm. Current 240amps, 26 volt, travel speed 800mm/ minute. while welding, we are getting defect of wormholes/wormstracks , some time continuous and intermittent on top of the weld. Experts, what would be the reason for this defect?
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
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