This standard specifies the technical requirements, test and inspection rules, etc. for uncovered cranes. This standard applies to blooming mills and is the crane used to open and close the furnace cover of the soaking furnace.
JB/T 7688.7-1995 history
2008JB/T 7688.7-2008 Specifications for metallurgy cranes. Part 7: Claw cranes
1995JB/T 7688.7-1995 Technical conditions of metallurgical cranes Uncovering cranes