Metal Injection Molding MIM 316 Stainless Steel Electronic Product Accessories

Model NO.: E551
Trademark: Mimo
Transport Package: Carton
Specification: Sus
Origin: China
HS Code: 9021100000

Powder Metallurgy Processing Technology

Powder metallurgy is a metal forming process that involves heating metal powders below their melting point. Although this technique has been around for over 100 years, it has gained significant recognition in the last 25 years as an essential method for producing high-quality components with a wide range of applications.

The success of powder metallurgy stems from its ability to combine advantages such as efficient material utilization, complex shape design, and near-net shape control. These benefits contribute to sustainable development, making it a widely accepted green technology in modern manufacturing.

In reality, powder metallurgy encompasses various technologies used to create semi-dense and fully dense assemblies. Traditional methods, like sintering, are commonly used for parts such as planet carriers. Metal Injection Molding (MIM) and other advanced techniques, including metal additive manufacturing, are also becoming increasingly popular.

Applications

  • Automation equipment
  • Axial flow fans
  • Inverter air conditioner motors

Features

  • Smooth and flawless surface finish
  • High impact and shock resistance
  • Multi-directional composite magnetization

MIM Advantages

Metal Injection Molding (MIM) is a well-established and proven technique for producing small, complex, and high-performance metal parts. It offers a cost-effective alternative to traditional methods such as machining, investment casting, and powder metallurgy. MIM excels in applications requiring intricate shapes and specific material properties like high strength, magnetic permeability, and corrosion resistance.

MIM allows for the production of micro-sized parts in high volumes, enabling features that are difficult or impossible to achieve through investment casting, such as small holes, thin walls, and fine surface details. It also provides net shape features like internal and external threads, profiled holes, and detailed textures, which can significantly reduce the need for secondary operations.

With the ability to scale production from thousands to millions of parts quickly and efficiently, MIM is a competitive choice in many industries, including automotive, aerospace, consumer electronics, medical devices, and more.

Why Choose MIM?

Cost-Effective Design Flexibility

  • Ability to produce complex shapes that would be too expensive using other methods
  • Efficient mass production of micro-sized parts
  • Production of features not achievable by investment casting, such as small holes and thin walls
  • Net shape capabilities for threads, knurling, engravings, and markings
  • Scalable production from thousands to millions of units

Material Variety and Integrity

  • Superior mechanical and corrosion properties due to high density
  • Production of net shape components from hard-to-process materials like superalloys and titanium
  • Isotropic and homogeneous microstructure for consistent performance
  • Ability to create alloys not available in wrought or cast form
  • Customizable density for weight-critical applications

About MIMO

Suzhou Mimo Metal Technology Co., Ltd. was established in 2006 and is located in the beautiful Yangtze River Delta region—Suzhou Wujiang. The company covers an area of 9,500 square meters and includes facilities such as mixing workshops, injection molding areas, degreasing and sintering zones, and a testing center. With a focus on technological innovation, cooperation, and quality service, Mimo has built a strong reputation in the MIM industry.

Alloy Families Used in MIM

The following alloys are commonly used in the MIM process:

  • Austenitic stainless steels: 304L, 316L (ideal for smartwatch parts and SIM card tray MIM)
  • Martensitic stainless steels: 420, 440C
  • Precipitation-hardening stainless steels: 17-4PH (ideal for SIM card tray MIM)
  • Iron-based alloys: Fe2Ni0.5Mo, Fe4Ni0.5Mo, Fe8Ni0.5Mo, FN50

Note: This list represents some of the more popular alloys but is not exhaustive. For more information on specific alloys, please contact our sales team.

How to Determine the Ratio of Metal Powder and Binder

The viscosity of the mixture increases with the solids content. When the solids content reaches 62%, the viscosity rises sharply after injection, so the maximum solids content is typically limited to 62%. If the binder is insufficient, gaps may form between particles, affecting the powder's integrity. On the other hand, if the binder is too strong, it can lead to low solid content, which may affect the debinding and sintering processes.

How to Control Costs During the MIM Process

MIM is cost-effective for producing complex, small metal parts in large quantities. To further reduce costs:

  • Purchasing Cost: Accurate calculation of part volume helps control material costs. The procurement cost is based on the price per gram of metal multiplied by the part’s volume and density.
  • Manufacturing Process: Different products require different pressures, so the cost varies accordingly. Fast production speeds and efficient equipment help reduce overall costs.
  • Mold Cost: Choosing high-pressure mold materials ensures better accuracy and longer mold life, contributing to cost savings.

Contact Us

For any inquiries, feel free to reach out to us at any time.

Metal Injection Molding MIM 316 Stainless Steel Electronic Product Accessories

Aaron Sale, Jiangsu Mimo Metal Co., Ltd.

TEL: 0512-63120634 | Mob: +86 15968841153
Web: www.mimomim.com
Address: No. 28 Dong Gu Road, High Shear Zone, Tongli Town, Suzhou

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