Commonly used materials for sheet metal processing
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- Time of issue:2018-03-13 14:22
(Summary description)1. Galvanized steel sheet SECC
The substrate of SECC is ordinary cold-rolled steel coil, which becomes electro-galvanized products after degreasing, pickling
Commonly used materials for sheet metal processing
(Summary description)1. Galvanized steel sheet SECC
The substrate of SECC is ordinary cold-rolled steel coil, which becomes electro-galvanized products after degreasing, pickling
Information
1. Galvanized steel sheet SECC
The substrate of SECC is ordinary cold-rolled steel coil, which becomes electro-galvanized products after degreasing, pickling, electroplating and various post-treatment processes on the continuous electro-galvanizing production line. SECC not only has the mechanical properties and similar processability of general cold-rolled steel sheet, but also has superior corrosion resistance and decorative appearance. It is highly competitive and replaceable in the market of electronic products, home appliances and furniture. For example, SECC is commonly used in computer cases.
2. Ordinary cold rolled plate SPCC
SPCC refers to the continuous rolling of steel ingots through cold rolling mills into steel coils or sheets of required thickness. There is no protection on the surface of SPCC, and it is easily oxidized when exposed to the air, especially in a humid environment, the oxidation speed is accelerated, and dark red rust appears. The surface should be painted, electroplated or other protection when in use.
⒊ Hot-dip galvanized steel sheet SGCC
Hot-dip galvanized steel coil refers to the semi-finished product after hot-rolling and pickling or cold-rolling, which is cleaned and annealed, and then immersed in a molten zinc bath at a temperature of about 460°C, so that the steel sheet is coated with a zinc layer and then quenched and tempered It is made by leveling and chemical treatment. SGCC material is harder than SECC material, has poor ductility (avoid deep drawing design), thicker zinc layer, and poor electric weldability.
4. Stainless steel SUS304
One of the widely used stainless steels, because it contains Ni (nickel), it has better corrosion resistance and heat resistance than Cr (chromium) steel, and has very good mechanical properties, no heat treatment hardening phenomenon, and no elasticity.
5. Stainless steel SUS301
The content of Cr (chromium) is lower than that of SUS304, and the corrosion resistance is poor. However, it can obtain good tensile force and hardness in stamping after cold working, and has good elasticity. It is mostly used for shrapnel springs and anti-EMI.
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