This specification covers three types of malleable iron castings, namely blackheart, white-heart, and pearlitic. Three grades of blackheart, two of whiteheart, and five of pearlitic castings are specified, the grading being based, in each case, on mechanical properties.
NOTE
a) The titles of standards referred to by number in the specification are given in Appendix A.
b) Requirements that must be specified by the purchaser and those that must or may be agreed upon are listed in Appendix B.
c) Characteristics and typical properties of the different kinds of malleable iron are given in Appendix C.