1 Scope
This standard specifies terms and definitions of Ultrasonic inspecting method for macro-structure and imperfection of steel, together with the method principle, inspection method, requirements and preparations for reference block, testing apparatus and its debugging, condition for surveys and procedure, result evaluation, inspection report and so on.
This standard is applicable to the rolling of simple sections of square type, moment type, circle type, Ultrasonic inspecting method for macro-structure and imperfection of forging steel (base), and Ultrasonic inspecting of other steel spare parts and blanks.
2 Normative Reference
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent corrections to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated normative references, the latest edition is applicable to this standard.
