Cradle to Gate
Identity ID
9b7d07f1-496b-4745-bffc-e2e7c33dc79c
Materials
Associated ID
b1775904-b3b3-4e9d-b05a-6c996dea689a
Included activities starts
Included activities ends
Description
The main components of cold-rolled hard carbon steel coil are iron and carbon, where the carbon content determines the hardness and strength of the steel. Variations in carbon content allow cold-rolled hard carbon steel coils to have different grades and properties, meeting diverse industrial requirements. The production process includes pickling and cold rolling of hot rolled coils, covering energy consumption, material consumption, waste treatment, and environmental emissions throughout the production. This dataset is formed by consolidating data from multiple sources.
Activity Description
The production process of cold-rolled hard coils includes pickling and cold rolling of hot-rolled coils, covering energy consumption, material consumption, waste treatment, and environmental emissions required during the production process.
Process Description
Cold-reduced hard coil is a type of steel coil that has undergone cold rolling. It belongs to the same category as cold-rolled coils, cold-rolled sheets, and cold-rolled strip steel. It is produced through cold rolling of hot-rolled steel coils after pickling to remove oxide scale. Carbon steel, also known as plain carbon steel, has a carbon content ranging from approximately 0.02% to 2%. The primary components of carbon steel cold-reduced hard coil are iron and carbon, where the carbon content determines the hardness and strength of the steel. Variations in carbon content enable different grades and properties of carbon steel cold-reduced hard coils, allowing them to meet diverse industrial requirements.
Time period
2021
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Using hot rolled steel coils as raw material, after pickling to remove the oxide scale, continuous cold rolling is carried out to produce hard-rolled coils. Due to cold work hardening caused by continuous cold deformation, the strength and hardness of the hard-rolled coils increase, while toughness and ductility decrease. Therefore, their stamping performance is relatively poor, and they can only be used for parts requiring simple deformation.