This Standard sets out methods for the ultrasonic testing of specified areas of heat-treated ferritic steel castings that are 15 mm or greater in thickness, using A-scan presentation. It employs three evaluation sensitivity levels and divides the casting wall thickness into zones.
NOTES:
1 Advice and recommendations on information to be supplied by the purchaser at the time of enquiry and order are contained in the purchasing guidelines set out in Appendix A.
2 This Standard does not apply to the testing of austenitic steel castings, unless by agreement,because such castings have a columnar structure which is not amenable to grain refining by heat treatment.
