Welder performance qualification test

When a welder has passed a welding test on a 2'' schedule 160 pipe coupon which has a wall thickness of .344 what is the minimum and maximum wall thickness that he is qualified to weld according to asme section IX.

ok, didnt i just answer one like this a week ago?

I still cant find my pdf of asme section IX.

anyone else want to chime in?

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