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Metal Injection Molding

The Metal Injection Molding process

Often times, excellent and complex design solutions tends to fail commercially – but why? Usually the component is finished with labor-intensive technologies to ensure the right profile and structural design, or maybe it is 3D-printed to avoid the post-finishing. This results in high costs of production and the inability to quickly ramp up large volumes. This is where the technology of Metal Injection Molding comes into play as shown in the graph below.

Watch the video below where our Senior Process Specialist, Poul, gives an introduction to our technologies within Metal Injection Molding and its advantages.

The MIM process involves very few steps. 

  • Step 1: Mixing the feedstock
  • Step 2: Moulding
  • Step 3: Debinding
  • Step 4: Sintering

At Sintex, the process is automated and optimised for high volume.

Components are sintered in a controlled atmosphere in high-technology furnaces at temperatures just below the melting point of the given material.
During this stage, the workpiece shrinks by 16-22% in size, which means control of the process must be very finely tuned.

Sintex has two process lines, where all steps from injection moulding to the finished workpiece are fully automated. This allows us to meet the strict quality requirements, and ensure efficient handling of the high volumes.

See the film about the MIM process above.


Case studies

  • Metal Injection Moulding

    Grundfos strength requirements met through MIM technology

    Earlier, the pump manufacturer Grundfos produced one of its sensor housings in plastic, but more demanding requirements led to the company considering a solution in metal. There was a wish for greater strength because the sensor housing is primarily used for industrial purposes in environments that degrade plastic materials both thermally and chemically

    Read more

  • Metal Injection Moulding

    High strength requirements fulfilled using MIM

    MIM technology has given one of our partners a sensor housing in the same geometry as plastic, but with the same strength as steel.

    Read more



    • STX 17-4 PH MIM

      STX 17-4 PH MIM is a martensitic dispersion strengthened stainless steel material that allows stainless steel components with extra high mechanical properties to be designed

    • STX 316L MIM

      STX 316L MIM is an austenitic stainless steel alloy that is often used in aggressive environments, as it is one of the best stainless steel alloys available with MIM technology

    • STX M2 MIM

      STX M2 MIM is a high-speed steel with amazing wear properties due to its hardness. MIM technology makes it possible to completely avoid the need for finishing

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