4. processing Processing is the processing of steel that has been melted in order to get the desired shape and size. It is also improving the properties of steel products. Processing consists of processing hot and cold processing For hot rolled steel sheet when through some can apply directly, but for some it will be reduced steel sheet by cold rolling to give thickness as required, and for other reasons, as follows:1. to improve the quality of the surface.2. in order to obtain the desired mechanical properties.3. in order to obtain a lower thickness of steel, hot rolled.4. to control, low thickness tolerance Because of the hot rolled, cold rolled, it will more so in certain steel sheet production started from hot rolled before. Then make cold rolled towards.
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