i have never used SA 333 gr. 6 pipe. we use 106 or 53 most of the time does it weld any different or is there is difference than a106 b i seen there both P1 G1. and 60 tensile
You won't be able to tell the difference by looking at it. 333 is a fine grained carbon steel material and comes with specified impact testing, since 333 is for low temp applications.