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What Is ZK61M Magnesium Alloy

ZK61M is a magnesium alloy that belongs to the ZK series of alloys.

ZK61M Magnesium Alloy is composed primarily of magnesium (Mg) along with approximately 6% zinc (Zn) and small amounts of other elements such as zirconium (Zr) and rare earth metals.

The “M” in ZK61M indicates the addition of zirconium as a refining agent.

The Characteristics Chart Of ZK61M Magnesium Alloy

Here is a table outlining the general characteristics of ZK61M magnesium alloys:

Density (g/cm³)Tensile Strength (MPa)Yield Strength (MPa)Elastic Modulus (GPa)Melting Point (°C)
Composition:Mg-6Zn, trace elements (including Zr and rare earth metals)

Please note that the values provided in the table are approximate and can vary depending on specific manufacturing processes, heat treatments, and testing methods. It is crucial to consult technical data sheets or material specifications provided by manufacturers for precise information on the characteristics and properties of ZK61M magnesium alloy.

The Properties Of ZK61M Magnesium Alloy

ZK61M magnesium alloy offers a combination of good mechanical properties, high-temperature stability, and improved creep resistance, making it suitable for various applications. Here are some key properties of ZK61M:



Like other magnesium alloys, ZK61M has a low density, approximately 1.83 g/cm³, which is about two-thirds that of aluminum and one-fourth that of steel. This makes it an attractive choice for lightweight applications where weight reduction is important.


ZK61M exhibits good strength, providing structural integrity in various applications. The tensile strength of ZK61M typically ranges from 270 MPa to 345 MPa, depending on the specific heat treatment and processing conditions.

Creep Resistance

ZK61M alloy has improved creep resistance compared to some other magnesium alloys, making it more suitable for applications that involve high-temperature and long-term stress conditions.

Corrosion Resistance

ZK61M offers good corrosion resistance, particularly in dry or low-humidity environments. However, like other magnesium alloys, it can be susceptible to corrosion in humid or corrosive environments. Surface treatments or coatings can be applied to enhance the corrosion resistance of ZK61M components.


ZK61M magnesium alloy finds applications in various industries, including aerospace, automotive, and sporting goods. It is commonly used for aerospace components, such as aircraft engine parts, helicopter rotor hubs, and aircraft structures. It can also be used in automotive applications, such as transmission cases and clutch housings.


ZK61M can be machined using conventional machining processes, although its relatively low cutting forces and high thermal conductivity require specific cutting parameters and tooling considerations.

It’s important to note that while ZK61M offers several advantages, it also has limitations. Factors such as grain size, temperature, and processing conditions can influence its mechanical properties and performance.

Cnc Machining ZK61M Magnesium Alloy Service

Difficulties can arise when machining ZK61M Magnesium Alloy when attempting to achieve fine surface finishes. The material is generally “soft” which requires proper cutting strategies in order to maintain tight dimensional tolerances and surface finishes. Be-Cu Prototype has developed optimal machining methods and tooling knowledge where we can achieve optimal material removal rates without compromising the fine surface finish measurements and aesthetics.

Be-Cu Prototype specializes in Magnesium Alloy machining and has the tooling knowledge and Magnesium Alloy cnc machining experience needed for mission-critical components. Request a quote or email us at [email protected] to get started on your ZK61M magnesium alloy machining project today.

Why Choose Our Magnesium Cnc Machining Service?

  • Save time and money for your magnesium project but quality guaranteed.
  • High productivity, outstanding efficiency and high accuracy
  • A wide range of magnesium grades and alloy materials can be machined
  • Custom complex magnesium machined parts and components at specific tolerances
  • High speed machining for prototyping and low to high volume production runs
Cnc Machining AZ31B Magnesium Alloy
Cnc Machining AZ31B Magnesium Alloy

Certifications & Quality Machining

  • ISO 9001:2015 certified
  • Fully compliant with the exacting requirements of our customers
  • Compliance in DFARS materials sourcing requirements
  • Strict compliance with PPAP and Process
  • FMEA for automotive customers
  • Skilled in KanBan and CMM Inspection and inventory management systems
  • ITAF 16949 certified

Top China ZK61M Magnesium Alloy Cnc Machining Parts

Our precision CNC machining capabilities include in-house, full-service manufacturing for all magnesium alloy components.Years of magnesium alloy machining experience have provided Be-Cu prototype with the expertise needed for high-performance magnesium alloy machined parts. Some magnesium alloy components we have manufactured include:

Online Cooperate With ZK61M Magnesium Alloy Machining Company

Be-cu works with customers all over the world to bring customers ideas to life with the highest quality precision engineered magnesium alloy components on the planet. We have both precision 5 axis machining and molds making capabilities that include both conventional and modernized production line. If you are looking for a partnership to help you apply new tools and technologies, or help you fully realize your design vision, let us help you move your business forward, contact our team ([email protected])or quote online today to get the conversation started.