Cradle to Gate
Identity ID
6bda7763-9ded-4b2c-ac7d-2299e9b346aa
Materials
Associated ID
85a1ed7c-41b9-4c23-9601-c31f1f49d60b
Included activities starts
Included activities ends
Description
Silicon steel processing coil is a specially processed cold-rolled silicon steel material, primarily used in manufacturing core components of electromagnetic devices such as transformer, motor, and generator cores. The main components of silicon steel processing coil are iron and silicon. The silicon content typically ranges from 2% to 3.5%, giving it high electrical resistivity and excellent magnetic permeability, thereby significantly reducing energy losses in electromagnetic applications. The production process of the processing coil includes annealing, finishing, inspection, and packaging of cold-rolled hard coil, covering energy consumption, material consumption, waste management, and environmental emissions required during production. This dataset is formed by merging data from multiple sources.
Activity Description
The production process of flat-rolled coils includes annealing, finishing, inspection, and packaging of hard-rolled coils, covering energy consumption, material consumption, waste treatment, and environmental emissions required during the production process.
Process Description
Silicon steel processing coils are a specially processed cold-rolled silicon steel material, primarily used in manufacturing core components of electromagnetic devices such as transformer, motor, and generator cores. The main components of silicon steel processing coils are iron and silicon, with silicon content typically ranging between 2% and 3.5%. This composition provides high electrical resistivity and excellent magnetic permeability, significantly reducing energy losses in electromagnetic applications. Moreover, silicon steel processing coils that have undergone cold rolling, annealing, and precision processing exhibit good mechanical strength and toughness, making them easy to shape and cut during manufacturing. Their smooth surface and precise dimensions are suitable for producing precision components.
Time period
2021
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Annealing is a metal heat treatment process in which the metal is slowly heated to a certain temperature, held for a sufficient time, and then cooled at an appropriate rate. Coils after cold rolling typically require finishing treatments to achieve the final dimensional and surface quality requirements. This may include trimming edges and adjusting the width and flatness of the coil. Cold-rolled hard coils of silicon steel are transformed into annealed silicon steel coils through processes such as annealing and finishing, and after inspection and packaging, they become qualified products.