The thickness of the strip after rolling is not consistent with the dispatch, but can be attributed to other specifications.
Due to the tension and the like, the width of the local portion of the steel strip is greatly different from the width of other portions. The steel strip is thick in the middle and thin on both sides. The steel strip is thick on one side and thin on one side.
Chemical composition % of the ladle analysis of cold steel sheet tensile straightening
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Al(%) | Ti(%) |
| Max 0.01 | Max 0.03 | Max 0.03 | 0.02 | 0.02 | — | Max 0.20 |
For example, when rolling silicon steel sheets, decarburization annealing should be carried out before cold rolling, and film coating, high temperature annealing, tensile straightening (see tension straightening) and tempering should be carried out after rolling.
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