Neway Precision Works Ltd R&D Team

  Metal Injection Molding (MIM) and Investment Casting are two distinct manufacturing processes used to create metal parts, each with advantages and limitations. Metal Injection Molding Process Metal Injection Molding (MIM) is a manufacturing process that combines the versatility of plastic injection molding with the durability and properties of metal materials . Fine metal powders are mixed with a binding agent to create a feedstock, which is then injected into molds to form intricate and precise metal parts. After molding, the parts go through debinding and sintering processes to remove the binder and fuse the metal particles, resulting in high-quality, near-net-shape metal components with excellent mechanical properties. MIM is valued for its ability to produce complex geometries and is widely used in various industries, including automotive, aerospace, healthcare, and electronics. The MIM process is mainly used for manufacturing small and complex parts. Investment Casting ...

  MIM 440C Stainless Steel Metal Injection Molding service Martensitic 440C stainless steel  metal injection molded parts  offer exceptional hardness, strength, and corrosion resistance. The high carbon and chromium contents enable excellent wear resistance with the ability to reach hardness levels over HRC 60. However, 440C maintains sufficient toughness and impact strength to avoid brittle behavior. But 440C has a lower ability to withstand dynamic loads. The fine carbide distribution and refined microstructure from the  metal injection molding (MIM) process  improve fatigue strength and ductility versus the  precision casting process . Post-sintering heat treatment allows ultimate tensile strengths over 2000 MPa to be achieved. The balanced properties of MIM 440C make it well suited for applications requiring high hardness for wear resistance combined with excellent corrosion performance. Typical uses include: Plastic injection molds. High-perf...

  Tungsten Alloy Metal Injection Molding Tungsten alloy Metal Injection Molding (MIM) and powder compression molding (PCM) is a highly versatile and efficient manufacturing process that combines the benefits of tungsten alloys with the flexibility of injection molding. This process enables the production of intricate and complex components with exceptional density, strength, and performance characteristics. Tungsten alloys are known for their remarkable properties, making them suitable for various industries, including aerospace, medical, defense, electronics, and more. Tungsten Alloy Optional for MIM In Metal Injection Molding (MIM), tungsten alloys stand out as a prime option, offering many advantages across various industries. Tungsten alloy MIM provides a unique blend of properties, making it a sought-after choice for numerous applications. Let's delve into the optional tungsten alloy materials that can be utilized in MIM processes: Tungsten-Nickel-Iron (W-Ni-Fe) : This alloy...

Stainless Steel Optional for MIM The most commonly metal injection molded stainless steels are 304 and 316/316L due to their excellent corrosion resistance and easier fabrication. Precipitation-hardening alloys can achieve very high strength through aging but are more difficult to MIM. Some common stainless steel alloys are used in metal injection molding (MIM) , including: 304 Stainless Steel 316L Stainless Steel 17-4 PH Stainless Steel 420 Stainless Steel 440C Stainless Steel 430 Stainless Steel 316 Stainless Steel MIM-Stainless Steel Material Comparison Austenitic grades offer the best corrosion resistance, martensitic grades have the highest hardness and strength, and ferritic grades provide an economical option when hardness is not critical. Here is a brief comparison of standard stainless steel alloys used in metal injection molding (MIM): 304: Austenitic stainless steel. Excellent corrosion resistance and good formability. Lower strength and hardness. It is commonly used for con...