The automotive metal hot stamping parts is to transfer the remaining layer previously coated on the carrier foil film to the inner and outer parts of the automobile by heating and pressure.
At present, its main application is in the optimization process of car door pedal, air conditioning air outlet, central decorative frame, display panel, signage, heat sinking, A-B-C column, and even engine top cover decoration.
There are many sheet metal materials suitable for stamping processing. Sheet metal materials widely used in the electrical and electronic industry include:
1. Ordinary cold-rolled steel sheet SPCC SPCC refers to continuous rolling of steel ingots into coils or sheets of a desired thickness through a cold rolling mill. SPCC surface without any protection, exposed to the air can easily be oxidized, especially in the humid environment, the oxidation speed, the emergence of dark red rust, the use of the surface to be sprayed, electroplated or other protection.
2. The substrate of galvanized steel sheet SECC SECC is a common cold-rolled steel coil. After the continuous galvanized steel production line is degreased, pickled, electroplated and various post-treatment processes, it becomes an electro-galvanized product. SECC not only has the mechanical properties and similar processability of ordinary cold rolled steel sheets, but also has superior corrosion resistance and decorative appearance. In the electronic products, home appliances and furniture market has great competitiveness and replaceability. For example, the computer chassis is commonly used SECC.
3. Hot dip galvanized steel sheet SGCC Hot dip galvanized steel coil is a semi-finished product after pickling or cold rolling by hot rolling. After cleaning and annealing, it is immersed in a molten zinc bath at a temperature of about 460° C. and the steel sheet is plated. The zinc layer is then tempered and leveled and chemically treated. SGCC material is harder than SECC material, poor in ductility (to avoid deep drawing design), thicker zinc layer, and poor weldability.
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