This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. for gray iron castings in engineering machinery products. This standard applies to gray iron castings with flake graphite.
JB/T 5937-1991 history
2018JB/T 5937-2018 General technical conditions for gray iron castings of engineering machinery
1991JB/T 5937-1991 Engineering machinery General technical specifications for gray pig iron parts