Fcaw & mig/mag

Hi Experts,
What is difference between FCAW & Mig/Mag process. Why is PQR to be qualified to Fcaw process, but product weld is use MAG process ? Many Thank

FCAW-uses a flux cored tubular wire
MIG- solid wire
Qualification of one process automatically qualifies the other

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Hi @Hieu_Thai, which standard you would like to ask?

Hi Anh Bien,
AWS D1.1

FCAW and GMAW are different essential variables.
FCAW do not cover GMAW and vice versa.
New PQR qualification are required, see Table 4.5 & 4.6 in AWS D1.1 2015.