1 Scope
This standard specifies the terms and definitions, designation, technical requirements, sampling, test blocks, test methods, inspection rules as well as the requirements of marking, packaging, storage and transportation of austempered ductile iron castings.
This standard is applicable to the austemper heat treated sand mold ductile iron castings or the ductile iron castings with the thermal conductivity equivalent to that of sand mould. The austempered ductile iron castings manufactured by other casting methods (such as metal mold, sand-lined metal mold, shell mold, mold investment casting and continuous casting etc.) may refer to it.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction 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 editions of these documents are applicable. For undated references, its latest edition is applicable to this standard.