This standard specifies the technical requirements, test methods, inspection rules and markings for compacted graphite iron castings (hereinafter referred to as castings). This standard applies to ordinary and low-alloy castings for railway rolling stock (including railway cranes) cast in sand molds or molds with thermal conductivity equivalent to sand molds. Castings cast in other molds can be used as a reference.
TB/T 2444-1993 history
1993TB/T 2444-1993 General technical conditions of vermicular cast iron castings used for rolling stock