BIBHUPRASAD RATH Member Member since Jul 18, 2012 Last active Jul 18, 2012 Total activities 0 Activity feed Recent contributions #Threads 13 years ago e-450 welding How can we control cracking of E-450 carbon manganese steel? parameters are: V:26-30v A:500-550amps. T.s.(N):0.25mt/min just tell me how to control not...