What are the processes for producing steel coils?
Release time:
2024-01-05
Raw material preparation: Select appropriate steel as raw material, and perform cutting, lengthening and other processing to facilitate subsequent processing and production.
The steel coil production process mainly includes the following steps:
1. Raw material preparation: Select appropriate steel as raw material, and perform cutting, lengthening and other processing to facilitate subsequent processing and production.
2. Melting and casting: melt the raw steel and obtain the preliminary billet through casting.
3. Hot rolling: The billet is preheated and gradually rolled into the required steel coil through a rolling process at high temperature.
4. Annealing: The hot-rolled steel coil is annealed to change the crystal structure of the steel and improve its mechanical properties and plasticity through heating and cooling.
5. Pickling and oil film treatment: In order to remove oxides and impurities on the surface of the steel coil, pickling treatment is performed using pickling liquid, and a thin film is coated on the surface to prevent corrosion on the surface of the steel coil.
6. Cutting and sizing: Cut the steel coil according to the size required by the customer, and sizing it to make it meet the requirements of use.
7. Packaging and storage: Pack the cut steel coils to prevent damage and corrosion during storage and transportation.
The above are the main process steps of steel coil production. Each step requires strict control and operation to ensure the quality and performance of the final product.
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