M2 Steel is a high-speed tool steel that belongs to the tungsten–molybdenum series, known for its exceptional properties that make it ideal for cutting tools and high-speed applications. It combines a good balance of toughness, wear resistance, and red hardness, making it a preferred choice in the industry. M2 Steel stands out for its well-balanced composition, which provides a harmonious blend of toughness, wear resistance, and red hardness. These properties make it an ideal choice for a wide range of applications, from twist drills and milling cutters to broaches and reamers. The steel’s ability to retain a sharp cutting edge even at elevated temperatures is a testament to its superior quality.
Key Characteristics:
- High Red Hardness: M2 steel maintains its hardness at elevated temperatures, which is crucial for high-speed cutting tools.
- Good Wear Resistance: This steel grade offers excellent resistance to wear and abrasion.
- Toughness: M2 steel exhibits a good level of toughness, which helps in reducing the risk of chipping or breaking during use.
- Ease of Sharpening: Despite its hardness, M2 steel can be sharpened relatively easily, maintaining a sharp cutting edge.
Chemical Composition
The typical chemical composition of M2 steel includes:
- Carbon (C): 0.78-0.88%
- Chromium (Cr): 3.75-4.50%
- Vanadium (V): 1.75-2.20%
- Tungsten (W): 5.50-6.75%
- Molybdenum (Mo): 4.50-5.50%
- Manganese (Mn): 0.15-0.40%
- Silicon (Si): 0.20-0.45%
Mechanical Properties:
- Hardness (Rockwell C):
- Tempered at 1150°F: 62
- As hardened (quenched at 2200°F): 65
- Compressive yield strength (tempered at 300°F): 3250 MPa (471000 psi)
- Izod impact unnotched (tempered at 300°F): 67 J (49.4 ft-lb)
- Abrasion (loss in mm³, as-hardened; ASTM G65): 25.8
- Elastic modulus: 190-210 GPa (27557-30458 ksi)
Applications:
M2 steel is widely used in:
- Cutting Tools: Such as drill bits, end mills, reamers, and saw blades.
- Punches and Dies: For stamping and forming operations.
- Industrial Knives: Used in various cutting applications.
- Forming Rolls: For forming and shaping materials.
Advantages of Using M2 Steel:
- Durability: Provides long tool life due to its high wear resistance.
- Efficiency: Enhances productivity by maintaining sharpness over extended periods.
- Versatility: Suitable for a wide range of applications in various industries.
Virat Special Steels Offerings:
Virat Special Steels offers high-quality M2 steel that meets the strict industry standards. Their M2 steel is processed with precision to ensure optimal performance in demanding applications. They provide detailed technical support and advice on the best practices for using their steel grades.
Conclusion
M2 steel, or DIN 1.3343, is a versatile and high-performance tool steel that plays a critical role in the cutting tools industry. Whether you are involved in manufacturing, metalworking, or tool-making, M2 steel from Virat Special Steels can significantly enhance your production capabilities, ensuring efficiency and durability in your tools.
Contact us today to learn more about our products and services!
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