440C is a type of martensitic stainless steel known for its high carbon content, making it one of the hardest and most wear-resistant options in the 440 series. It is commonly used in applications requiring high strength and durability, such as knife blades.
Key Properties
Property/Value
Carbon Content / 0.95% - 1.20%
Chromium Content / 16.0% - 18.0%
Hardness (after heat treatment) / 58 - 60 HRC
Yield Strength / Approximately 65 ksi
Tensile Strength / Approximately 100 ksi
Elongation / 14%
Applications
440C stainless steel is widely used in:
Cutting Tools: Knife blades and surgical instruments
Rolling Contact Parts: Ball and roller bearings
Industrial Components: Valve seats and molds
High-Performance Tools: Chisels and measuring instruments
Corrosion Resistance
While 440C offers moderate corrosion resistance, it is important to note that its performance can vary based on the specific environment and conditions it is exposed to. Proper heat treatment enhances its hardness and wear resistance, making it suitable for demanding applications.
Conclusion
In summary, 440C stainless steel is a versatile material that combines high strength, hardness, and wear resistance, making it ideal for a range of industrial and commercial uses, and especially good for knife making applications.
