1. galvanized steel plate SECC
The base of SECC is a general cold rolled steel coil, which is a galvanizing product after the continuous galvanizing line is degreased, acid washed, electroplating and various post-processing processes. It has excellent corrosion resistance and decorative appearance. It has great competitiveness and substitution in the market of electronic products, household appliances and furniture. For example, the common use of computer boxes is SECC.
2. common cold rolled plate SPCC
SPCC refers to the continuous rolling of steel ingots through the cold rolling mill to produce steel sheets or sheets with required thickness. There is no protection on the surface of the SPCC. The exposure to the air is very easy to be oxidized, especially in the wet environment, the speed of oxidation is accelerated, the dark red rust appears, and the surface should be painted, electroplated, or other protective surfaces.