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Relevant Standard Sheet Metal Thickness in China

China is known for its diverse manufacturing industry, and one of the key sectors is the production of sheet metal products. Sheet metal is used in a variety of applications, such as automotive, construction, and electronics. In order to ensure quality and consistency, China follows certain standard sheet metal thickness guidelines.

1. Chinese Sheet Metal Thickness Standards

China has set national standards for sheet metal thickness to regulate its production and usage. The most commonly used standard is the GB/T 3880 Technical Conditions for the Delivery of Aluminum and Aluminum Alloy Plate and Sheet, which specifies the thickness range for various grades of aluminum and aluminum alloy sheets.

2. Common Sheet Metal Thicknesses in China

Here are some of the common sheet metal thicknesses you will come across in China:

  • 0.5mm - Typically used for lightweight applications such as electrical enclosures.
  • 1mm - Commonly used for general-purpose sheet metal fabrication, including automotive parts and machinery components.
  • 2mm - Suitable for structural applications and heavier-duty machinery parts.
  • 3mm - Used for applications that require additional strength and durability, such as heavy machinery.
  • 5mm and above - Reserved for heavy-duty applications like construction equipment and industrial machinery.

3. Considerations for Sheet Metal Thickness

When choosing the appropriate sheet metal thickness for your project, several factors should be taken into consideration:

  • Application: Determine the purpose and load-bearing requirements of the sheet metal component.
  • Material: Different metals have varying strengths and properties, influencing the suitable thickness.
  • Budget: Thicker sheet metal may cost more, so consider the project's financial constraints.
  • Manufacturing Process: Some manufacturing methods may have limitations on the maximum or minimum thickness they can work with.

4. Quality Standards and Testing

In order to ensure the quality of sheet metal products, China also follows various testing standards and certifications. These include:

  • ISO 9001:2008 - A general quality management system certification that ensures consistent production processes.
  • ISO 14001:2004 - Environmental management system certification, ensuring compliance with environmental regulations.
  • ISO 18001:2007 - Occupational health and safety management system certification.

Additionally, specific industries may have their own quality standards and certifications to meet their unique requirements.

5. Conclusion

When it comes to sheet metal thickness in China, adhering to relevant standards and guidelines is crucial for ensuring optimal product performance and meeting industry requirements. By understanding the common thicknesses and considering various factors, you can make informed decisions when choosing sheet metal for your projects.

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Customization of sheet metal processing services

We provide metal cutting and bending services to assist customers in sheet metal component processing. Automated cutting processes can ensure high precision and quality of finished components.

laser cutting

A cutting process that can be used to cut metal and non-metallic materials of different material thicknesses. The laser beam that has been guided, shaped, and assembled lays the foundation for this.

Metal punching

A common manufacturing process used to produce large quantities of metal components. It utilizes mechanical operations to shape metal sheets at high speeds through a stamping machine according to mold design trends, in order to achieve the desired shape and size.

Bending

It involves applying force to sheet metal parts to change their geometric shape. This force will generate stress on the metal plate that exceeds its yield strength, causing physical deformation of the material without rupture or failure.

Material Selection for Sheet Metal Fabrication

Aluminum

SPCC Steel (non-treated)

SGCC Steel (Galvanized steel)

Stainless Steel

Brass

Copper

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About Us

What can we do?

Sigma Technik Limited, as a prototype production company and rapid manufacturer focusing on rapid prototyping and low volume production of plastic and metal parts, has advanced manufacturing technology, one-stop service, diversified manufacturing methods, on-demand manufacturing services and efficient manufacturing processes, which can provide customers with high-quality, efficient and customized product manufacturing services and help customers improve product quality and market competitiveness.

Sheet metal manufacturing applications

Sheet metal processing can meet the production needs of various shapes and sizes of components, and can meet the needs of small batch, multi variety, and rapid production, with relatively low manufacturing costs.

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Sheet Metal FAQs

During sheet metal processing, due to the characteristics of materials and processing methods, parts can deform. The solution is to adjust the processing technology and methods, strengthen the support and fixation of materials, and use automated processing equipment to solve the problem.

Welding quality issues in sheet metal processing may lead to issues such as insufficient component strength, porosity, and cracks. The solution is to use high-quality welding materials and equipment, strengthen monitoring and control of the welding process, and ensure that the welding quality meets the requirements.

After the sheet metal processing is completed, surface treatment is required, such as spraying, electroplating, etc. Poor surface treatment may lead to corrosion, oxidation, and other issues. The solution is to use appropriate surface treatment methods and equipment, strictly control the quality of the surface treatment process, and ensure that the surface treatment effect meets the requirements.

During sheet metal processing, dimensional deviations may result in parts being unable to be assembled or poorly assembled. The solution is to strengthen dimensional control and monitoring during the machining process, use high-precision equipment for machining, and compensate for dimensional errors during the machining process.

Quality issues may occur during sheet metal processing, such as surface burrs, cracks, pores, etc. The solution is to strengthen quality control and inspection, use advanced testing equipment and methods, and ensure that the quality of each product meets the requirements.