This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of steel castings in engineering machinery products. This standard applies to carbon steel and low alloy steel castings.
JB/T 5939-1991 history
2018JB/T 5939-2018 Engineering machinery General technical specifications for steel castings
1991JB/T 5939-1991 Engineering machinery General technical specifications for steel castings