♥ Feel free to contact us!♥


Phone:+86 13167175132

What is M2 steel, and what are its key characteristics?

M2 steel, also known as AISI M2 or High-Speed Steel (HSS), is a high-performance tool steel renowned for its exceptional cutting and machining properties.

m2 steel

Table of M2 steel

ElementComposition Range
Carbon (C)0.78% – 0.88%
Manganese (Mn)0.15% – 0.40%
Silicon (Si)0.20% – 0.45%
Phosphorus (P)≤ 0.030%
Sulfur (S)≤ 0.030%
Molybdenum (Mo)4.50% – 5.50%
Chromium (Cr)3.75% – 4.50%
Cobalt (Co)≤ 1.00%
Iron (Fe)Remaining

Key characteristics of M2 steel

M2 steel, also known as AISI M2 or High-Speed Steel (HSS), is a high-performance tool steel renowned for its exceptional cutting and machining properties. Here are its key characteristics:

  1. High Hardness: M2 steel is exceptionally hard, allowing it to maintain a sharp cutting edge. This hardness is crucial for precision cutting and machining operations.

  2. Superior Wear Resistance: It exhibits excellent wear resistance, making it ideal for applications that involve high-speed cutting and machining. M2 steel can withstand the abrasive forces encountered during metalworking.

  3. Excellent Toughness: Despite its extreme hardness, M2 steel also possesses good toughness. This combination of hardness and toughness helps the material withstand impacts and shock during machining.

  4. High Heat Resistance: M2 steel retains its hardness and cutting performance even at elevated temperatures. This characteristic is vital for high-speed cutting applications where heat is generated.

  5. Red Hardness: M2 steel maintains its hardness at high operating temperatures, which is essential for sustained performance in high-speed machining applications.

  6. Good Thermal Conductivity: M2 steel has relatively high thermal conductivity, aiding in the dissipation of heat generated during cutting operations. This property contributes to its ability to maintain a sharp edge.

  7. Versatility: M2 steel is versatile and is used for a wide range of cutting tools, including drills, end mills, reamers, taps, and saw blades. It is a popular choice in industries like aerospace, automotive, and metalworking.

  8. Resistant to Softening: It resists softening at high operating temperatures, ensuring the integrity and effectiveness of cutting tools during prolonged use.

  9. High Strength: M2 steel possesses excellent tensile and compressive strength, enabling tools to withstand the forces and stresses encountered during machining.

  10. Availability: M2 steel is readily available and comes in various forms, including round bars and sheets. This availability makes it a preferred choice for the production of high-speed cutting tools.

In summary, M2 steel is a high-speed tool steel valued for its remarkable combination of hardness, wear resistance, toughness, and heat resistance. These properties make it a top choice for a wide range of high-speed machining applications, where maintaining a sharp cutting edge and withstanding high temperatures are crucial.

How does M2 steel compare to other types of tool steel?

M2 steel is a high-speed tool steel known for its excellent combination of hardness, wear resistance, and high-temperature performance. It’s widely used in various cutting and machining applications. Let’s compare M2 steel to some other common types of tool steel:

  1. M2 Steel vs. M35/M42 High-Speed Steels:

    • M2, M35, and M42 are all high-speed steels, but M2 steel is the most widely used. M35 and M42 have better red hardness (heat resistance), making them suitable for high-temperature applications.
    • M2 steel offers better wear resistance than M35 but not as good as M42.
    • M2 steel is more cost-effective than M35 and M42, making it a popular choice for general cutting applications.
  2. M2 Steel vs. D2 Tool Steel:

    • D2 tool steel is a cold-work steel known for its excellent wear resistance and high hardness.
    • M2 steel is a high-speed steel that performs better in high-speed cutting applications but may have less wear resistance than D2.
    • M2 steel is preferred for applications where cutting speed is crucial, while D2 excels in applications requiring high wear resistance.
  3. M2 Steel vs. O1 Tool Steel:

    • O1 tool steel is an oil-hardening tool steel with good wear resistance and toughness.
    • M2 steel offers higher hardness and better high-temperature performance than O1.
    • M2 steel is favored for high-speed cutting applications, while O1 is more suitable for cold-working applications.
  4. M2 Steel vs. A2 Tool Steel:

    • A2 tool steel is an air-hardening steel known for its high impact resistance and good wear resistance.
    • M2 steel has better high-speed cutting capabilities and is preferred for applications where high temperatures are generated during cutting.
    • A2 steel may be chosen for applications requiring impact resistance and toughness.
  5. M2 Steel vs. Tungsten Carbide (WC):

    • Tungsten carbide is a superhard material known for its extreme hardness and wear resistance.
    • M2 steel offers better toughness and is easier to machine compared to tungsten carbide.
    • Tungsten carbide is ideal for applications requiring exceptional wear resistance, while M2 steel provides a balance of properties.

In summary, M2 steel is an excellent choice for high-speed cutting applications, where maintaining a sharp edge and withstanding elevated temperatures is crucial. However, the choice of tool steel depends on the specific requirements of the application, including factors like wear resistance, hardness, and toughness. Different tool steels excel in different areas, allowing engineers and machinists to select the best material for their specific needs.

What are the primary uses of M2 steel in various industries?

M2 steel is a versatile and widely used tool steel with a range of applications in various industries. Its unique combination of hardness, wear resistance, and high-temperature performance makes it suitable for the following industries and applications:

  1. Metalworking and Machining:

    • M2 steel is extensively used for cutting and machining operations. It’s commonly found in the manufacturing of drills, end mills, reamers, taps, and milling cutters.
    • It’s ideal for high-speed cutting applications in metalworking, including drilling holes, milling, and shaping metal components.
  2. Woodworking:

    • M2 steel is employed in woodworking tools such as saw blades and router bits.
    • Its hardness and wear resistance are advantageous for precision cutting in woodworking.
  3. Plastic Processing:

    • Injection molds and extrusion dies benefit from M2 steel’s high hardness and wear resistance.
    • It can withstand the abrasive nature of plastics during molding and extrusion processes.
  4. Automotive Industry:

    • M2 steel is used for cutting tools and machining components in the automotive manufacturing process.
    • It’s utilized in drilling, milling, and turning applications for producing engine parts, chassis components, and more.
  5. Aerospace Industry:

    • Aircraft and aerospace components often require precision machining using M2 steel tools.
    • It’s used for drilling holes in airframe structures and other critical applications.
  6. Construction:

    • M2 steel tools are used in construction applications, including drilling concrete, metal, and wood.
    • It’s employed in manufacturing construction equipment and materials.
  7. Mining and Oil & Gas:

    • Drill bits and cutters used in mining and oil drilling applications often feature M2 steel.
    • Its heat resistance is valuable in drilling through hard rock formations.
  8. Tool and Die Making:

    • Tool and die makers utilize M2 steel for the production of precision cutting and forming tools.
    • It’s used to create molds, dies, and specialty tools for various industries.
  9. Cutting Blades and Knives:

    • M2 steel is found in industrial cutting blades, such as paper cutters and industrial knives.
    • It provides sharp edges and extended tool life.
  10. Electronics:

    • The electronics industry employs M2 steel tools for drilling holes in circuit boards and precision cutting of electronic components.
  11. Medical Devices:

    • M2 steel is used in the fabrication of surgical instruments and medical devices.
    • Its sharpness and precision are crucial in the medical field.

M2 steel’s widespread use across these industries showcases its adaptability and durability in various cutting and machining applications. Its ability to maintain a sharp edge at high speeds and resist wear and heat makes it a valuable tool steel for many manufacturing processes.

Other issues you may be concerned about

M3 steel, often referred to as “M3 high-speed steel,” is a type of high-speed tool steel known for its exceptional red hardness, wear resistance, and suitability for high-speed cutting applications. It is commonly used in the manufacturing of cutting tools like drills and end mills, particularly in scenarios where tools are exposed to high temperatures and require durability under such conditions.

M2 steel, like most high-speed tool steels, is not typically characterized by thickness. Instead, it is known for its hardness, wear resistance, and ability to maintain a sharp cutting edge. The thickness of the steel depends on how it is manufactured into tools or components, and it can vary widely based on the specific application.

M2, M3, and M4 are different grades of high-speed tool steel. They are used in various cutting tool applications due to their excellent hardness and wear resistance. M2 and M4 are two of the most popular grades, while M3 is another variation within this category. Each grade has specific properties that make it suitable for different cutting and machining tasks.

The choice between M2 and M4 steel depends on the specific requirements of the cutting tool or application. M4 steel contains a higher percentage of cobalt, which provides greater heat resistance and red hardness. It is typically chosen for applications that involve high-speed cutting at elevated temperatures and require exceptional wear resistance. M2 steel is more commonly used for general-purpose cutting tools. The decision on whether M2 or M4 is better depends on the specific needs of the tool and the materials it will be used to cut.

Huaxiao Metal Corporation Limited——Professional high speed steel supplier

Huaxiao Metal Corporation Limited stands as your dependable ally and foremost provider of high-speed steel and an extensive range of top-tier tool steel materials. Our unwavering commitment to quality and excellence has established us as a leading supplier in the industry.

Dedicated to being your trusted supplier of high-speed steel, we take immense pride in presenting a diverse selection of steel products, meticulously tailored to address the distinct requirements of our esteemed clientele. Our extensive inventory, complemented by our industry expertise, empowers us to deliver precision and accuracy across various industrial sectors.

The team at Huaxiao Metal Corporation Limited comprehends the critical significance of selecting the right tool steel for your specific applications. As your supplier, we are wholeheartedly devoted to furnishing you with the finest materials to ensure peak performance and enduring durability for your tools and machinery.

At Huaxiao Metal, we don’t merely view ourselves as suppliers; we consider ourselves as dedicated partners in your pursuit of success. Our supplier relationship extends beyond the mere delivery of steel—it’s about offering comprehensive solutions and expertise to support you in achieving your objectives.

Whether your endeavors lie within the aerospace, automotive, or manufacturing realms, you can place your trust in Huaxiao Metal Corporation Limited as your unwavering supplier of high-speed steel and tool steel. We are here to deliver excellence, enabling you to attain excellence in all your projects.

Table of Contents

Other Products

Stainless Steel Wire

Other Metal...


Is carbon steel magnetic?

Carbon steel magnetic, mainly due to the presence of iron in it. Iron is a magnetic element, and when iron atoms are arranged to form a ferromagnetic region, they form a magnetic moment in that region and exhibit strong magnetism. Carbon steel is an alloy of iron and carbon, which has a high content of iron, and therefore carbon steel is also magnetic.

Read More »

Does carbon steel rust?

Yes, carbon steel rust when exposed to moisture and oxygen, as the iron content in carbon steel reacts with these elements to form iron oxide, commonly known as rust. However, rusting can be delayed or prevented through protective coatings, alloying, and regular maintenance.

Read More »

What is 304 stainless steel?

304 stainless steel is a general-purpose stainless steel material that is widely used in a variety of applications due to its excellent corrosion resistance and processing properties.

Read More »
alloy steel vs carbon steel

alloy steel vs carbon steel

In the vast realm of steel, both alloy steel and carbon steel emerge as pivotal players, each boasting unique characteristics that cater to diverse industrial applications. Understanding the nuanced distinctions between these two categories unveils a tapestry of properties, classifications, and application fields that shape their roles in the world of materials engineering.

Read More »
304 stainless steel mesh

304 Stainless Steel Mesh

Huaxiao Metal Corp offers top-notch 304 Stainless Steel Mesh, renowned for its corrosion resistance and durability. With precision manufacturing and diverse weaving patterns, our meshes cater to a wide range of applications, ensuring reliability and excellence in filtration, chemical processing, and beyond. Trust in quality with Huaxiao Metal Corp.

Read More »
201 stainless steel sheets

201 stainless steel sheet

201 stainless steel sheet is a type of austenitic stainless steel that belongs to the 200 series, characterized by its chromium and nickel content. It offers a combination of good formability, corrosion resistance, and cost-effectiveness.

Read More »

Monel Metal vs Stainless Steel

Monel Steel vs Stainless Steel:Monel steel, a nickel-copper alloy, boasts exceptional corrosion resistance, making it ideal for marine and aerospace applications. It is non-magnetic and exhibits good strength at high temperatures. However, it comes at a higher cost. On the other hand, stainless steel, with varying alloys, offers cost-effectiveness, corrosion resistance, and versatility. The choice depends on specific needs, with Monel excelling in corrosive environments, while stainless steel caters to diverse applications economically.

Read More »

Monel 400

Monel 400 is a nickel-copper alloy known for its excellent corrosion resistance and high temperature strength. It has a wide range of applications in offshore engineering, petrochemicals, etc. The strength and hardness of Monel 400 make it an ideal material to withstand heavy loads and complex environments. At the same time, its excellent corrosion resistance allows it to maintain stable performance in acidic or alkaline environments. In addition, Monel 400 has good machinability and is easy to weld and fabricate. This alloy is particularly suitable for applications that require high corrosion and temperature resistance, such as marine equipment, chemical reactors, heat exchangers, etc. In summary, Monel 400 is an important engineering material due to its excellent properties and is widely used in engineering applications in a variety of extreme environments.

Read More »
17-4ph stainless steel

What does PH mean in stainless steel?

What is the pH value of stainless steel? In stainless steel, “PH” stands for “precipitation hardening.” Precipitation-hardened stainless steels are a class of stainless steel alloys known for their ability to be enhanced through heat treatment processes. This process is also known as age hardening or precipitation strengthening.

Read More »

Send an inquiry now and we will give you a professional quote within 24 hours

Scroll to Top

Feel free to contact us

If you need our products, please leave us a message with the specific specifications and quantity through the window on the right! 

Reply within 24 hours

Get a Free Inquiry!