Industry News

The common types of metal sheet fabrication material

2021-11-08
1. Galvanized steel sheet SECC(sheet metal fabrication)
The substrate of SECC is a general cold-rolled steel coil, which becomes an electro galvanized product after degreasing, pickling, electroplating and various post-treatment processes in the continuous electro galvanized production line. SECC not only has the mechanical properties and similar processability of general cold rolled steel sheets, but also has superior corrosion resistance and decorative appearance. It has great competitiveness and substitutability in the market of electronic products, household appliances and furniture. For example, SECC is widely used in computer chassis.

2. Ordinary cold rolled sheet SPCC(sheet metal fabrication)
SPCC refers to the continuous rolling of steel ingot into steel coil or sheet with required thickness by cold rolling mill. There is no protection on the surface of SPCC, which is easy to be oxidized when exposed to air. Especially in humid environment, the oxidation speed is accelerated and dark red rust appears. The surface shall be painted, electroplated or otherwise protected during use.

3. Hot dip galvanized steel plate SGCC(sheet metal fabrication)
Hot dip galvanized steel coil refers to the semi-finished products after hot-rolled pickling or cold rolling, which are washed, annealed, immersed in the zinc melting tank with a temperature of about 460 ° C, and then coated with zinc layer, then quenched, tempered, leveled and chemically treated. SGCC material is harder than SECC material, with poor ductility (avoiding deep pumping design), thicker zinc layer and poor weldability.

4. Stainless steel SUS304(sheet metal fabrication)
One of the most widely used stainless steels, because it contains Ni (nickel), it is richer in corrosion resistance and heat resistance than the steel containing Cr (chromium). It has very good mechanical properties, no heat treatment hardening phenomenon and no elasticity.

5. Stainless steel SUS301(sheet metal fabrication)
The content of Cr (chromium) is lower than SUS304 and the corrosion resistance is poor. However, after cold processing, it can obtain good tensile force and hardness in stamping, and has good elasticity. It is mostly used for spring and anti EMI.
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