scope:

This Standard specifies requirements for whiteheart malleable cast iron, blackheart malleable cast iron and pearlitic malleable cast iron, used in the manufacture of castings. Classification is given for each type of malleable cast iron on the basis of mechanical properties. This Standard is applicable only to malleable cast iron cast into sand moulds or moulds of comparable thermal diffusivity.

NOTE The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 5922: 2005 Malleable cast iron (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/ IEC Guide 21-1.