Gate to Gate
Identity ID
50fcae52-7a3f-4417-bd4b-d6c452b4beeb
Process class
Associated ID
42fbebeb-15b2-490a-bb9e-996fe280973a
Included activities starts
Included activities ends
Description
Quenching is a heat treatment process in which metal is heated above its critical temperature and held for a certain period, then rapidly cooled at a cooling rate exceeding the critical cooling speed to achieve microstructural transformation of the metal. This process represents the quenching of 1 kg of steel, resulting in 0.99876 kg of quenched steel, and should be used in conjunction with production data for 1 kg of steel. The data originates from the production processes of bearings, sprockets, steel shot, cutting blades, rollers, saw blades, and other mechanical and electrical equipment components.
Activity Description
The quenching process includes preparation of the workpiece, preparation of the quenching medium, heating, heat preservation, and quenching. This dataset includes direct electricity consumption of the equipment, water consumption, quenching medium consumption, and atmospheric emissions.
Process Description
Quenching is a heat treatment process in which metal is heated to a temperature above the critical temperature, held for a certain period, and then rapidly cooled at a cooling rate greater than the critical cooling speed to achieve microstructural transformation. This process represents the quenching of 1 kg of steel, yielding 0.99876 kg of quenched steel, and should be used in conjunction with the production data for 1 kg of steel.
Time period
2021
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Prior to quenching, preparatory steps are required, including cleaning impurities from the surface of the metal workpiece, removing rust, and performing necessary adjustments. After heating and holding, the workpiece is rapidly immersed in a quenching medium to cool it. The selection of quenching medium and control of cooling rate should be determined based on the material and processing requirements of the workpiece. Common quenching media include oil, water, salt, and gases, among which this dataset specifically refers to oil-based quenching media.