Gate to Gate
Identity ID
0a918d07-3a35-4f22-97b9-524da98e9e4b
Process class
Associated ID
d3b8949a-cb48-4593-a223-496ce41b0bf4
Included activities starts
Included activities ends
Description
Hot rolling is a rolling process carried out above the recrystallization temperature. After heating, the steel billet undergoes several rolling passes, followed by edge trimming and correction to form steel plates. During hot rolling, the metal exhibits high plasticity and low deformation resistance, significantly reducing the energy consumption required for metal deformation. Hot rolling improves the processing properties of metals and alloys by breaking down the coarse grains of the as-cast structure, effectively healing cracks, reducing or eliminating casting defects, and transforming the cast structure into a deformed structure, thereby enhancing the workability of the alloy. This process represents the hot rolling of 1 kg of continuously cast steel billet, resulting in a corresponding output of 0. 949 kg of hot rolled coil, this dataset should be used together with the production data of 1 kg of continuous cast steel billet. The hot rolling process includes heating, annealing, hot rolling, and cooling. This dataset includes energy consumption, auxiliary material consumption, generated by-products or waste, atmospheric emissions, and waterborne emissions during the hot rolling process. This dataset is derived from data from multiple sources.
Activity Description
Hot rolling process includes heating, annealing, hot rolling, and cooling. This dataset includes energy consumption, auxiliary material consumption, by-products or waste generated, as well as atmospheric and water emissions during the hot rolling process.
Process Description
Hot rolling is a rolling process carried out above the recrystallization temperature. After heating, the billet undergoes several rolling passes, followed by edge trimming and correction to produce steel plate. During hot rolling, the metal exhibits high plasticity and low deformation resistance, significantly reducing the energy consumption required for metal deformation. Hot rolling improves the processing performance of metals and alloys by breaking down the coarse grains from the as-cast structure, healing micro-cracks, reducing or eliminating casting defects, and transforming the as-cast structure into a deformed structure, thereby enhancing the workability of the alloy. This process represents the hot rolling of 1 kg of continuous-cast steel billet, resulting in 0.949 kg of hot-rolled coil. The data for this process should be used in conjunction with the production data for 1 kg of continuous-cast steel billet.
Time period
2021
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Hot rolling refers to the process of heating continuously cast steel billets to a certain temperature and then plastically deforming them using rolling equipment. The hot rolling process mainly consists of three stages: heating, rolling, and cooling. First, the continuously cast billet is placed in a reheating furnace and heated to an appropriate temperature to improve the material's plasticity. Then, the heated billet is fed into a rolling mill where it is rolled; the force exerted by the rolls causes plastic deformation of the material, altering its shape and dimensions. Finally, the rolled material is rapidly cooled using a cooling device to stabilize its internal structure and enhance its mechanical properties.