This standard specifies the requirements for boiler tube manufacturing, inspection and acceptance, marking, painting and packaging. This standard applies to fixed hot water boilers and fixed steam boilers with rated steam pressure not greater than 13.7MPa and rated steam temperature not greater than 540°C. It can also be used for subcritical pressure steam boilers.
JB/T 1611-1993 history
1993JB/T 1611-1993 Technical specification for manufacturing of boiler pipes