JB/T 50152-1999 This standard is a revision of ZB J01 002-87 "Energy Consumption Classification of Open-hearth Steelmaking". This standard specifies the energy consumption levels of oil-fired open-hearth furnaces and hot-gas-fired open-hearth furnaces in steelmaking machinery industrial enterprises. Open-hearth furnaces of each capacity are divided into special, first-class, second-class and third-class according to comparable unit energy consumption. Comparable unit energy consumption that does not reach the third-class index is classified as out-of-class. This standard was first published in 1987.
JB/T 50152-1999 history
1999JB/T 50152-1999 Open hearth steel making process. Grading of energy consumption (only for internal use)