Cold Rolled Stainless Steel Sheet in Coil
Cold rolled coils are usually longitudinally rolled, and their production process generally includes raw material preparation, pickling, rolling, degreasing, heat treatment and finishing.
Cold rolled coils are usually longitudinally rolled, and their production process generally includes raw material preparation, pickling, rolling, degreasing, heat treatment and finishing. The raw materials are hot-rolled products. In order to ensure the quality of the cold rolling process, the oxides on the raw materials are first pickled to remove the phosphorus in the raw materials and ensure the cleanliness of the cold-rolled products. After pickling, the raw materials are rolled. During the rolling process, the operation is strictly carried out in accordance with the process requirements.
The rolled products also need to undergo surface degreasing, that is, the degreasing process, to prevent the steel surface from being contaminated during annealing, and then undergo a heat treatment process. After completing this complex process, necessary inspections, cutting, flattening, classification and packaging are required to better ensure the quality of cold-rolled products.
The cold rolled stainless steel sheet in coil are steel coils produced by the above-mentioned cold rolling method.
Advantages of cold rolled stainless steel sheet in coil
1. Wear resistance, crack resistance
Good resistance to alkali metals and acid, which can extend the service life of cold-rolled coils and can be used for a long time in harsh environments.
2. Bright and easy to maintain
High surface brightness and smooth surface, mostly used in buildings that require beauty.
3. Advanced technology
Our steel uses high-precision technology, which enables enterprises to achieve high-precision component control of product production components, produce higher quality products, and achieve high efficiency and low cost.
Key points
(1) The oiliness should be moderate. Process lubrication can form an oil film at the contact boundary of the rolled piece under the action of large rolling force, thereby reducing friction resistance, reducing the deformation resistance of the steel coil, greatly reducing the wear of the roll, improving the utilization rate of the roll, reducing the number of rolling passes and saving energy. However, this process lubrication needs to pay attention to the dosage. The oiliness should not be too high to ensure that the friction between the roll and the steel coil is guaranteed. Excessive oiliness can easily cause slipping.
(2) Ensure good cooling capacity. Process lubrication should also have good cooling capacity, which can effectively absorb the high temperature generated during the rolling process and form constant temperature rolling. Keeping the rolling temperature within a certain range is conducive to maintaining the stable shape of the rolled steel and making the thickness of the rolled product uniform. This requires certain treatment of the process lubricant to ensure that it has good cooling capacity.
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