The materials generally used in sheet metal processing in public facilities are cold-rolled plate (SPCC), hot-rolled plate (SHCC), galvanized sheet (SECC, SGCC), copper (CU) brass, copper, beryllium copper, aluminum plate (6061, 6063, duralumin, etc.), aluminum profile, stainless steel (mirror, brushed, matte), according to the different functions of the product, the selection of materials is different, generally need to be considered from the use and cost of the product. 1. Cold-rolled plate SPCC, mainly used for electroplating and paint parts, low cost, easy to form, material thickness ≤ 3.2mm. 2. Hot-rolled plate SHCC, material T≥3.0mm, also electroplating
