IN ONE OF MY WPS (DISSIMILAR BASE METAL THICKNESS-AS PER ASME SEC IX) THINNER MEMBER THICKNESS IS 9mm. THICKER MEMBER THICKNESS IS 30mm. DEPOSITED WELD METAL THICKNESS -THINNER MEMBER SIDE IS 9mm & THICKER MEMBER SIDE IS 19mm AND TO BE QUALIFIED WITH IMPACT TESTING. WHAT MINIMUM AND MAXIMUM THICKNESS RANGE WILL BE QUALIFIED BY THIS?