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Sheet metal process characteristics

Sheet metal has the characteristics of lightweight, high strength, electric conductivity (can be used for electromagnetic shielding), low cost, good mass production performance, etc., in electronic appliances, communications, automotive industry, medical equipment, and other fields have been widely used, such as in computer cases, mobile phones, MP3, sheet metal is an essential part. With the application of sheet metal more and more widely, sheet metal parts design has become a very important part of the product development process, mechanical engineers must master the design skills of sheet metal parts, to make the design of sheet metal not only meet the function and appearance of the product requirements but also make the stamping die manufacturing simple, low cost.

Main uses of sheet metal

 There are many sheet metal materials suitable for stamping processing. Sheet metal materials widely used in the electronic and electrical industry include:


SPCC refers to the steel ingot that is continuously rolled into a steel coil or sheet material of required thickness by a cold rolling machine. SPCC surface without any protection, exposure to the air is easy to be oxidized, especially in the humid environment, the speed of oxidation, dark red rust, in use to spray paint, electroplating or another protective surface.


Galvanized steel plate SECCSECC base material for the general cold rolled steel coil, in the continuous electric galvanized production line after degreasing, pickling, electroplating, and various post-processing process, that is, electric galvanized products. SECC not only has the mechanical properties and similar machinability of ordinary cold-rolled steel sheets but also has superior corrosion resistance and decorative appearance. In the electronic products, home appliances and furniture market have great competitiveness and substitution. For example, SECC is commonly used in computer cases.


Hot-dip galvanized steel SGCC hot-dip galvanized steel coil refers to the hot pickling or cold rolling semi-finished products, after cleaning, annealing, immersed in the temperature of about 460°C melt zinc tank, and the steel plated with zinc layer, and then by conditioning leveling and chemical treatment. SGCC material is harder than SECC material, has poor ductility (avoiding deep pumping design), a thicker zinc layer, and poor weldability.


The content of stainless steel SUS301Cr(chromium) is lower than that of SUS304, the corrosion resistance is poor, but after cold processing can obtain good tension and hardness, good elasticity, mostly used for spring and anti-EMI.


Stainless steel SUS304 is used as one of the most widely used stainless steel because it contains Ni(nickel) than Cr(chromium) steel is rich in corrosion resistance, and heat resistance, has very good mechanical properties, no heat treatment hardening phenomenon, no elasticity.

sheet metal bending
sheet metal bending

Frequently asked questions about Pricing Plan
  • What is the lead time?
    About 15~25 days (exact delivery time depends on specific project and quantity)
  • How do you guarantee quality?
    We have a professional quality control department to ensure quality.
  • Can you cut and bend?
    Yes, we have professional engineers
  • If I send drawings, can you send a quote?
    Yes, send drawings to us to get free quotation information.
  • What type of work does your company specialize in?
    We are manufacturer of sheet metal fabrication, CNC machining, who good at providing Custom machining service.
  • The final interpretation is owned by our company
    Looking for ideal Custom Computer Cases Manufacturer & supplier ? We have a wide selection at goods prices to help you get creative. All the Custom Pc Computer Case Enclosure are quality guaranteed. We are China Origin Factory of Computer Server Enclosure Sheet Metal Shell. If you have any question, please feel free to contact us.Product Categories : Sheet Metal Fabrication
  • What's kinds of information you need for quote?
    Kindly please provide the product drawing in PDF,and will be better you can provde in.dwg / .stp / . igs / .stl , Send drawing
  • Can you provide design services?
    Yes , of cause . Just provide product requirements and USES , we will design for you ,also we can provide customized hardware for you base on your idear / samples / drawing or other way. Leave a message
  • How long can i get the sample?
    Depends on your specific items,within 1-15 days is required generally. Get the exact delivery date
  • Where can I get product&price information?

  • Company Advantage
    • Bergek good at make prototypes , small-batch, or mass production customized CNC machined parts, Come to get instant quotes on metal and plastic machined parts.
    • Cnc Machining: Not Only Offers Metals And Plastics But Also Flexible Production
    • Sheet Metal Fabrication: Sheet Metal Parts For Their High Precision And Durability
    • Injection Molding: Can Process Hundreds Of Materials
    • Online service: We provide 7*24*365 online service

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