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What is M35 steel, and how does it compare to other types of high-speed steel (HSS)?

M35 steel is a high-speed steel known for its cobalt content, which provides enhanced heat resistance and hardness. It is alloyed with a combination of cobalt, tungsten, and molybdenum, making it suitable for high-temperature cutting applications and demanding machining operations.

m35 steel

Table of M35 steel

ElementChemical Composition (English)
Carbon (C)0.80~0.90 (allowable deviation: 0.01)
Silicon (Si)0.20~0.45 (allowable deviation: 0.05)
Manganese (Mn)0.15~0.40 (allowable deviation: +0.04)
Sulfur (S)≤0.030
Phosphorus (P)≤0.030
Chromium (Cr)3.75~4.50 (allowable deviation: 0.05)
Nickel (Ni)Residual content allowable ≤0.30
Copper (Cu)Residual content allowable ≤0.25
Vanadium (V)1.75~2.25 (allowable deviation: 0.05)
Molybdenum (Mo)4.50~5.50 (allowable deviation: size≤6, 0.05; size>6, 0.10)
Tungsten (W)5.50~6.50 (allowable deviation: size≤10, 0.10; size>10, 0.20)
Cobalt (Co)4.50~5.50 (allowable deviation: 0.15)

Comparison to Other High-Speed Steel (HSS) Varieties:

  1. Cobalt Content: M35 steel contains a significant amount of cobalt, typically around 5%, which is higher than in other HSS varieties like M2 and M42. The cobalt enhances M35’s heat resistance, allowing it to maintain hardness and cutting performance at elevated temperatures. This is especially valuable for high-speed and high-temperature cutting applications.

  2. Heat Resistance: Due to its cobalt content, M35 has excellent red hardness, meaning it retains its hardness at high operating temperatures. It can withstand the extreme heat generated during cutting and machining operations.

  3. Wear Resistance: M35 offers good wear resistance, making it suitable for applications that involve abrasive materials and demanding machining conditions.

  4. Toughness: While being very hard, M35 steel still maintains a level of toughness, which is essential for withstanding impacts and shocks during cutting.

  5. Versatility: M35 steel is commonly used to produce a wide range of cutting tools, such as drills, end mills, taps, reamers, and broaches. Its versatility makes it suitable for various machining applications.

Comparison to Other HSS Types:

  • M35 vs. M2: M35 has a higher cobalt content than M2, which makes it better suited for high-temperature applications. M2, on the other hand, is often preferred for general-purpose cutting due to its balance of hardness and wear resistance.

  • M35 vs. M42: M35 and M42 are similar in terms of cobalt content, but M42 contains more tungsten. M42 is often chosen for its superior heat resistance and wear resistance, especially in applications involving hard and abrasive materials.

In summary, M35 steel is a high-speed steel that excels in high-temperature cutting applications and demanding machining operations due to its high cobalt content. It offers excellent heat resistance, red hardness, and wear resistance. The choice between M35 and other HSS varieties depends on the specific requirements of the machining operation, particularly in terms of temperature and material being machined.

What are the primary characteristics and properties of M35 steel?

M35 steel is a type of high-speed steel known for its excellent performance in cutting tools and applications where high wear resistance and heat resistance are required. Here are its primary characteristics and properties:

  1. High Hardness: M35 steel exhibits exceptional hardness due to its alloying elements, particularly cobalt and tungsten. This hardness enables it to maintain a sharp cutting edge even at elevated temperatures.

  2. Excellent Wear Resistance: M35 steel is renowned for its outstanding wear resistance. This property is crucial in cutting and machining applications where tools are subjected to constant abrasion and high levels of stress. The wear resistance of M35 steel extends tool life and reduces the need for frequent tool changes.

  3. Superior Heat Resistance: M35 steel retains its hardness and cutting performance at high temperatures, making it suitable for high-speed cutting applications where heat is generated during machining. It has a good red hardness, which means it maintains its hardness even at elevated operating temperatures.

  4. Good Toughness: Despite its high hardness, M35 steel offers a certain degree of toughness, allowing it to withstand impacts and shock without fracturing. This toughness is valuable in applications where tools may encounter occasional shocks or interruptions.

  5. Versatility: M35 steel can be used for various cutting tools, including drills, end mills, reamers, taps, and saw blades. Its versatility makes it a popular choice for many machining and cutting applications.

  6. Resistance to Softening: M35 steel resists softening even at high operating temperatures, ensuring tool integrity during extended use.

  7. High Strength: It exhibits excellent tensile and compressive strength, ensuring that tools made from M35 steel can withstand the forces encountered during machining and cutting operations.

  8. Cobalt Content: The presence of cobalt enhances the high-temperature properties of M35 steel. Cobalt’s role is to maintain the material’s hardness and heat resistance at elevated temperatures.

  9. Tungsten Content: Tungsten contributes to M35 steel’s hardness and wear resistance. It’s particularly effective in making the steel suitable for high-speed cutting applications.

  10. Balanced Alloying Elements: The combination of alloying elements in M35 steel, including cobalt, tungsten, and chromium, is well-balanced to provide a combination of hardness, wear resistance, and heat resistance.

M35 steel is widely used in industries and applications that demand high-speed machining and cutting, such as aerospace, automotive, and metalworking. Its exceptional properties make it an ideal choice for creating cutting tools that maintain their performance even under demanding conditions.

Keep in mind that while M35 steel offers outstanding properties, the choice of tool material should be based on specific cutting needs, materials being machined, and operating conditions.

In which industries and applications is M35 steel most commonly used?

M35 steel is widely used in a variety of industries and applications that require high-speed cutting and machining tools. Its exceptional hardness, wear resistance, and heat resistance make it a preferred material for a range of cutting applications. Some of the common industries and applications where M35 steel is prominently used include:

  1. Aerospace: M35 steel is a popular choice for cutting tools in the aerospace industry, where precision machining of materials like aluminum, titanium, and high-strength alloys is essential. Its heat resistance and wear resistance are critical for machining components for aircraft and spacecraft.

  2. Automotive: In the automotive industry, M35 steel is used to create cutting tools for shaping and machining components like engine parts, transmission components, and other high-strength materials. Its performance and durability contribute to increased efficiency and precision.

  3. Metalworking: M35 steel is commonly used in metalworking applications, including the manufacturing of metal parts, molds, and dies. Its ability to cut and shape various metals efficiently makes it a valuable tool steel in this sector.

  4. Tool and Die Making: Tool and die makers utilize M35 steel to manufacture cutting tools, punches, and dies that are essential for producing precision parts in various industries. The wear resistance of M35 steel prolongs tool life and minimizes tool changes.

  5. General Machining: M35 steel is used in general machining operations where high-speed cutting is required. This includes tasks such as drilling, milling, reaming, and tapping. Its versatility makes it suitable for a wide range of applications.

  6. Bearings and Fasteners: M35 steel is employed in the production of high-quality bearings, which are vital components in machinery and industrial equipment. The material’s hardness and durability contribute to longer-lasting bearings.

  7. Cutting Tools: Cutting tools made from M35 steel, such as drills, end mills, reamers, and saw blades, are used across various industries for precision cutting and machining. These tools maintain their sharp edges even under challenging conditions.

  8. Power Generation: In power generation applications, M35 steel is utilized for machining components like turbine blades and other high-temperature, high-wear parts found in power plants.

  9. Mold and Die Casting: M35 steel is used for creating molds and dies for the production of precision components in industries such as plastic injection molding, die casting, and metal forming.

  10. Woodworking: M35 steel tools are employed in woodworking applications, where the material’s hardness and wear resistance are beneficial for cutting and shaping wood and wood-based materials.

In summary, M35 steel’s exceptional properties make it a valuable tool material in industries where high-speed cutting, precision machining, and the durability of cutting tools are essential. Its use contributes to improved efficiency, extended tool life, and the ability to work with a variety of materials. The choice of M35 steel or other tool materials depends on the specific requirements of the cutting or machining operation.

Other issues you may be concerned about

M35 steel is a type of high-speed steel (HSS) known for its exceptional hardness, wear resistance, and heat resistance. It is part of the M-series of high-speed steels, which are alloyed with various elements to achieve superior performance in cutting and machining applications. M35 steel is characterized by its ability to maintain a sharp cutting edge at high cutting speeds, making it well-suited for applications where efficient cutting and extended tool life are critical.

M35 steel is widely used in the manufacturing and metalworking industries for a range of cutting and machining applications. It is commonly employed for cutting operations in industries such as aerospace, automotive, metalworking, tool and die making, general machining, power generation, and more. M35 steel is utilized to create cutting tools like drills, end mills, reamers, taps, and saw blades. Its excellent heat resistance and wear resistance make it ideal for tasks that involve high-speed cutting of materials, including metals and alloys.

M35 is a specific grade or type of high-speed steel within the M-series. The M-series includes various high-speed steel grades, each with its own composition and characteristics. M35 is distinguished by its chemical composition, which includes elements like cobalt (Co), tungsten (W), and chromium (Cr) in addition to the basic iron (Fe) and carbon (C). These alloying elements contribute to the steel’s superior hardness and wear resistance, making it suitable for demanding cutting applications.

The composition of M35 steel typically includes the following key elements:

  • Carbon (C): 0.85% – 0.95%
  • Silicon (Si): 0.20% – 0.45%
  • Manganese (Mn): 0.15% – 0.40%
  • Chromium (Cr): 3.75% – 4.50%
  • Nickel (Ni): Up to 0.30%
  • Copper (Cu): Up to 0.25%
  • Cobalt (Co): 4.50% – 5.50%
  • Tungsten (W): 5.50% – 6.50%
  • Vanadium (V): 1.75% – 2.25%
  • Molybdenum (Mo): 4.50% – 5.50%

Huaxiao Metal Corporation Limited——Professional high speed steel supplier

Huaxiao Metal Corporation Limited is your trusted partner and a leading supplier of high-speed steel and a wide range of premium tool steel materials. Our unwavering dedication to quality and excellence has firmly established us as a prominent supplier in the industry.

As a committed supplier of high-speed steel, we take great pride in offering a diverse selection of steel products, meticulously customized to meet the unique requirements of our esteemed clients. Our extensive inventory, coupled with our industry expertise, enables us to deliver precision and accuracy across a variety of industrial sectors.

The team at Huaxiao Metal Corporation Limited understands the vital importance of selecting the right tool steel for your specific applications. As your supplier, we are wholeheartedly devoted to providing you with the finest materials to ensure optimal performance and long-lasting durability for your tools and machinery.

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

Whether your ventures are in the aerospace, automotive, or manufacturing fields, you can rely on Huaxiao Metal Corporation Limited as your unwavering supplier of high-speed steel and tool steel. We are here to deliver excellence, empowering you to achieve excellence in all your projects.

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