This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of heat-treated parts in engineering machinery products. This standard applies to heat-treated parts of carbon structural steel and alloy structural steel.
JB/T 5944-1991 history
2019JB/T 5944-2018 General technical requirements for heat treatment parts of construction machinery
1991JB/T 5944-1991 Engineering machinery General technical specifications for heat-treated work pieces