Neway's custom MIM-430L injection molded parts offer exceptional strength, corrosion resistance, and precision, making them ideal for demanding applications.

MIM-430L Metal Injection Molding service

MIM-430L is a low alloy steel with a composition designed for optimal performance in various industrial applications. This specialized alloy primarily consists of iron (Fe), manganese (Mn), nickel (Ni), chromium (Cr), and molybdenum (Mo), with precise percentages tailored to achieve its remarkable properties.

MIM-430L is characterized by its excellent corrosion resistance, making it well-suited for environments where exposure to moisture, chemicals, or corrosive substances is a concern.

Furthermore, MIM-430L exhibits commendable mechanical properties, including high tensile strength and flexibility. This combination of corrosion resistance and mechanical strength positions MIM-430L as an ideal material for components in industries such as automotive, aerospace, medical devices, and marine applications.


Key Features and Applications of MIM-430L

Key Features


Excellent corrosion resistance

Marine components

High tensile strength

Aerospace parts

Good ductility

Medical devices

Versatile material for complex shapes

Automotive components

Precision achievable through MIM

Chemical processing equipment

Resistance to moisture and chemicals

Oil and gas industry components

Tailored alloy composition for performance

Electronics and telecommunications components

Long-lasting and reliable performance

Consumer goods

MIM-430L Low Alloy Steel Typical Properties

 MIM-430L Chemical Composition

Iron (Fe)

Manganese (Mn)

Nickel (Ni)

Chromium (Cr)

Molybdenum (Mo)

Carbon (C)

Silicon (Si)

Phosphorus (P)

Sulfur (S)










MIM-430L  Physics and Mechanical Properties


Tensile Strength (MPa)

Yield Strength (MPa)

Impact Strength (J)

Hardness (HRC)

Young's Modulus (GPa)

Poisson's Ratio

Elongation (%)

Density (g/cm³)

As Sintered

620 - 700

500 - 580

25 - 45

20 - 30



10 - 15


Other Excellent Properties of MIM-430L


Corrosion Resistance

MIM-430L parts exhibit excellent corrosion resistance, particularly in environments where exposure to moisture, chemicals, or mild corrosive substances is a concern. This property is attributed to the alloy's composition, including chromium and nickel elements. These elements form a protective oxide layer on the surface of the parts, effectively shielding them from corrosion and rust. While MIM-430L may not offer the same level of corrosion resistance as stainless steel, its ability to withstand moderate corrosive conditions makes it highly suitable for applications where protection against corrosion is essential but does not require more expensive, highly corrosion-resistant materials.

Applications requiring corrosion-resistant MIM-430L parts include marine components, where exposure to saltwater and moisture is prevalent, and chemical processing equipment.


The machinability of MIM-430L parts is generally considered moderate. While MIM components are renowned for their intricate shapes and precision, machining may still be required in specific applications. The alloy's composition, including chromium and molybdenum, can influence machinability, often requiring slower cutting speeds and specialized tooling.

Applications requiring machinability for MIM-430L parts include aerospace components, where precise finishing or modification of complex shapes may be necessary to meet stringent industry standards. Additionally, specific medical devices and instrumentation may require machining for customizations or precise fittings.


Dimensional Accuracy

The dimensional accuracy of MIM-430L parts is a key highlight, as the Metal Injection Molding (MIM) process enables the production of exact components. MIM-430L parts adhere closely to specified tolerances, faithfully replicating intricate and complex geometries.

Applications requiring exceptional dimensional accuracy for MIM-430L parts include medical instruments like surgical tools, where precision is crucial for patient safety and effective procedures. Additionally, in aerospace applications, where components must fit seamlessly and reliably within complex systems, MIM-430L's dimensional accuracy ensures consistent and dependable performance.

Magnetic Properties

MIM-430L parts exhibit notable ferromagnetic properties due to their composition, making them susceptible to magnetic fields. This magnetic characteristic is advantageous in applications requiring components to interact with or respond to magnetic forces. In industries like electronics, MIM-430L parts can be used in electromagnetic devices, sensors, and actuators where magnetic properties are integral for proper functioning.

Applications requiring magnetic properties in MIM-430L parts include electromagnetic coils, magnetic sensors, and actuators, where precise control of magnetic fields is necessary for functionality and performance. In sensors, for instance, MIM-430L's magnetic properties can be leveraged to detect changes in magnetic fields, making it valuable in various industries, including automotive, for sensor applications related to position, speed, or alignment.


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