[MW:4998] mode of metal transfer in mig welding

Dear Members,

we are going to qualify MIG welding process.

How to differentiate metal transfer like dip, globular & spray?

we are using IS 2062 material with 99.9% CO2 shielding gas,1.2 dia filler wire,12mm thick in single '' V'' Grove  butt Joint.
what is the desired testing requirements ? depending of metal transfer as per section IX 

thanks and regards,
Suresh

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